List of United States Navy ships: P


 * Ship caption=USS Pargo (SSN-650)

P

 * USS P. H. Burnett (USS P. H. Burnett (IX-104))
 * USS P. K. Bauman (USS P. K. Bauman (SP-377))

Pac–Par

 * RV Pacific Escort (RV Pacific Escort I)
 * USS Paddle (USS Paddle (SS-263))
 * USS Paducah (USS Paducah (AG-7)/USS Paducah (IX-23)/USS Paducah (PG-18), USS Paducah (YTB-758))
 * USS Page County (USS Page County (LST-1076))
 * USS Paiute (USS Paiute (AT-159)/USS Paiute (ATF-159))
 * USS Pakana (USS Pakana (AT-108)/USS Pakana (ATF-108))
 * USS Palace (USS Palace (PYc-33)/USS Palace (YAG-13))
 * USS Palatka (USS Palatka (YTB-801))
 * USS Palau (USS Palau (CVE-122)/USS Palau (AKV-22))
 * USS Palawan (USS Palawan (ARG-10))
 * USS Palisade (USS Palisade (AM-270))
 * USS Palisana (USS Palisana (AF-39))
 * USS Pallas (USS Pallas (1778))
 * USS Palm (USS Palm (YN-23)/USS Palm (AN-28))
 * USS Palm Beach (USS Palm Beach (AKL-45)/USS Palm Beach (AGER-3))
 * USS Palmer (USS Palmer (DD-161)/USS Palmer (DMS-5))
 * USCGC Palmetto (USCGC Palmetto (WAGL-265))
 * USS Palmyra (USS Palmyra (ARST-3))
 * USS Palo Blanco (USS Palo Blanco (YN-85)/USS Palo Blanco (AN-64))
 * USS Palo Verde (USS Palo Verde (YN-86)/USS Palo Verde (AN-65))
 * USS Paloma (USS Paloma (SP-533))
 * USS Palomas (USS Palomas (IX-91))
 * USS Palos (USS Palos (1865), USS Palos (PG-16)/USS Palos (PR-1))
 * USS Paloverde (USS Paloverde (ATA-215))
 * USS Pamanset (USS Pamanset (AO-85)/USNS Pamanset (T-AO-85))
 * USS Pamina (USS Pamina (AKA-34), USS Pamina (AKL-41))
 * USS Pampanga (USS Pampanga (PG-39))
 * USS Pampanito (USS Pampanito (SS-383)/USS Pampanito (AGSS-383))
 * USS Pampero (USS Pampero (1853))
 * USS Panama (USS Panama (SP-101))
 * USS Panaman (USS Panaman (ID-3299))
 * USS Panameta (USS Panameta (YT-402)/USS Panameta (YTB-402)/USS Panameta (YTM-402))
 * USS Panamint (USS Panamint (AGC-13))
 * USS Panay (USS Panay (1899), USS Panay (PG-45)/USS Panay (PR-5), USS Panay (AG-41))
 * USS Panda (USS Panda (IX-125))
 * USS Pandemus (USS Pandemus (ARL-18))
 * USCGC Pandora (USCGC Pandora (WPC-113))
 * USS Pansy (USS Pansy (1861), USS Pansy (1878))
 * USS Panther (USS Panther (AD-6), USS Panther (IX-105), ex USS SC-1470)
 * USS Panuco (USS Panuco (ID-1533))
 * USNS Paoli (USNS Paoli (T-AO-157))
 * USS Papago (USS Papago (AT-160)/USS Papago (ATF-160))
 * USS Papaya (USS Papaya (YN-68)/USS Papaya (AN-49))
 * USS Para (USS Para (1861))
 * USS Paragon (USS Paragon (PYc-36))
 * USS Paragould (USS Paragould (PC-465))
 * USS Paragua (USS Paragua (1888))
 * USS Paramount (USS Paramount (AMc-92))
 * USS Parche (USS Parche (SS-384)/USS Parche (AGSS-384), USS Parche (SSN-683))
 * USS Pargo (USS Pargo (SS-264), USS Pargo (SSN-650))
 * USS Paricutin (USS Paricutin (AE-18))
 * USS Park County (USS Park County (LST-1077))
 * USS Parker (USS Parker (DD-48), USS Parker (DD-604))
 * USNS Parkersburg (USNS Parkersburg (T-AO-163))
 * USS Parks (USS Parks (DE-165))
 * USS Parle (USS Parle (DE-708))
 * USS Parrakeet (USS Parrakeet (AMc-34), USS Parrakeet (AMS-30), USS Parrakeet (AM-419))
 * USS Parret (USS Parret (PG-109))
 * USS Parris Island (USS Parris Island (AG-72))
 * USS Parrot (USS Parrot (AMS-197)/USS Parrot (MSC-197))
 * USS Parrott (USS Parrott (DD-218))
 * USS Parsons (USS Parsons (DD-949)/USS Parsons (DDG-33))
 * USS Parthenia (USS Parthenia (SP-671))
 * USS Partridge (USS Partridge (AM-16)/USS Partridge (AT-138)/USS Partridge (ATO-138), USS Partridge (AM-407), USS Partridge (AMS-31), USS Partridge (AMCU-36))

Pas–Pay

 * USS Pasadena (USS Pasadena (CL-65), USS Pasadena (SSN-752))
 * USS Pascagoula (USS Pascagoula (1918), USS Pascagoula (PCE-874))
 * USS Pasco (USS Pasco (PG-114)/USS Pasco (PF-6))
 * USS Pasig (USS Pasig (AO-89), USS Pasig (AO-91)/USS Pasig (AW-3))
 * USS Pasley (USS Pasley (PG-194)/USS Pasley (PF-86), USS Pasley (DE-519))
 * USS Pasquotank (USS Pasquotank (YOG-48)/USS Pasquotank (AOG-18))
 * USS Passaconaway (USS Passaconaway (1863), USS Passaconaway (YN-111)/USS Passaconaway (AN-86))
 * USS Passaic (USS Passaic (1862), USS Passaic (YN-113)/USS Passaic (AN-87), USS Passaic (YT-20))
 * USS Passumpsic (USS Passumpsic (AO-107)/USNS Passumpsic (T-AO-107))
 * USS Pastores (USS Pastores (ID-4540)/USS Pastores (AF-16))
 * USS Pat Caharty (USS Pat Caharty (1919))
 * USS Patapsco (USS Patapsco (1799), USS Patapsco (1806), USS Patapsco (1812), USS Patapsco (1862), USS Patapsco (AT-10), USS Patapsco (AOG-1))
 * USS Patchogue (USS Patchogue (ID-1227)/USS Patchogue (YFB-1227), USS Patchogue (PC-586))
 * USS Pathfinder (USS Pathfinder (AGS-1)/OSS-30, USNS Pathfinder (T-AGS-60))
 * USS Patoka (USS Patoka (AO-9)/USS Patoka (AV-6)/USS Patoka (AG-125))
 * USS Patricia (USS Patricia (1899))
 * USS Patrick Gallagher (USS Patrick Gallagher (DDG-127))
 * USS Patrick Henry (USS Patrick Henry (SSBN-599)/USS Patrick Henry (SSN-599))
 * USS Patriot (USS Patriot (1861), USCGC Patriot (1926)/USS Patriot (YT-127), USS Patriot (PYc-47), USS Patriot (MCM-7))
 * USS Patroclus (USS Patroclus (ARL-19))
 * USS Patrol (USS Patrol (1917))
 * USS Patrol #1 (SP-45)
 * USS Patrol #2 (SP-409)
 * USS Patrol #4 (SP-8)
 * USS Patrol #5 (SP-29)
 * USS Patrol #6 (SP-54)
 * USS Patrol #7 (SP-31)
 * USS Patrol #8 (SP-56)
 * USS Patrol #10 (SP-85)
 * USS Patrol #11 (SP-1106)
 * USS Patroon (USS Patroon (1859))
 * USS Patterson (USS Patterson (DD-36), USS Patterson (DD-392), USS Patterson (DE-1061)/USS Patterson (FF-1061))
 * USS Pattina (USS Pattina (SP-675))
 * USS Patton (USS Patton (PG-195)/USS Patton (PF-87))
 * USS Patuxent (USS Patuxent (AT-11), USS Patuxent (AO-44), USNS Patuxent (T-AO-201))
 * USS Paul (USS Paul (DE-1080)/USS Paul (FF-1080))
 * USNS Paul Buck (USNS Paul Buck (T-AOT-1122))
 * USS Paul F. Foster (USS Paul F. Foster (DD-964))
 * USS Paul G. Baker (USS Paul G. Baker (DE-642), USS Paul G. Baker (DE-755))
 * USS Paul Hamilton (USS Paul Hamilton (DD-307), USS Paul Hamilton (DD-590), USS Paul Hamilton (DDG-60))
 * USS Paul Ignatius (USS Paul Ignatius (DDG-117))
 * USS Paul Jones (USS Paul Jones (1862), USS Paul Jones (DD-10), USS Paul Jones (DD-230)/USS Paul Jones (AG-120))
 * USS Paul Jones Jr. (USS Paul Jones Jr. (1863))
 * USS Paul Revere (USS Paul Revere (APA-248)/USS Paul Revere (LPA-248))
 * USS Paulding (USS Paulding (DD-22))
 * USS Pauline (USS Pauline (SP-658))
 * USS Pavlic (USS Pavlic (DE-669)/USS Pavlic (APD-70))
 * USS Pavo (USS Pavo (AK-139))
 * USS Paw Paw (USS Paw Paw (1863))
 * USS Pawcatuck (USS Pawcatuck (AO-108)/USNS Pawcatuck (T-AO-108))
 * USS Pawnee (USS Pawnee (1859), USS Pawnee (YT-21), USS Pawnee (SP-699), USS Pawnee (AT-74)/USS Pawnee (ATF-74))
 * USS Pawtucket (USS Pawtucket (YT-7)/USS Pawtucket (YTM-7), USS Pawtucket (YT-359)/USS Pawtucket (YTB-359)/USS Pawtucket (YTM-359))
 * USS Pawtuxet (USS Pawtuxet (1864))
 * USS Payette County (USS Payette County (LST-1079))
 * USS Paysandu (USS Paysandu (ID-3880))

Pc–Pe

 * USS PC-815 (PC-815)
 * USS PC-1217 (PC-1217)
 * USS PC-1264 (PC-1264)
 * USS Peacock (USS Peacock (1813), USS Peacock (AM-46), USS Peacock (AMS-198)/USS Peacock (MSC-198))
 * USS Pearl (USS Pearl (SP-1219), USS Pearl (PG-196)/USS Pearl (PF-88))
 * USS Pearl Harbor (USS Pearl Harbor (LSD-52))
 * USS Pearl River (USS Pearl River (LSM(R)-516))
 * USS Peary (USS Peary (DD-226))
 * USS Pecatonica (USS Pecatonica (AOG-57))
 * USS Peconic (USS Peconic (AOG-68)/USNS Peconic (T-AOG-68))
 * USS Pecos (USS Pecos (AO-6), USS Pecos (AO-65)/USNS Pecos (T-AO-65), USNS Pecos (T-AO-197))
 * USS Pee Dee River (USS Pee Dee River (LSM(R)-517))
 * USS Peerless (USS Peerless (SP-1639), USS Peerless (AMc-93))
 * USS Pegasus (USS Pegasus (AK-48)/USS Pegasus (IX-222), USS Pegasus (PHM-1))
 * USS Peggy (USS Peggy (SP-1072))
 * USS Peiffer (USS Peiffer (DE-588))
 * USS Peleliu (USS Peleliu (LHA-5))
 * USS Pelias (USS Pelias (AS-14))
 * USS Pelican (USS Pelican (AM-27)/USS Pelican (AVP-6), USS Pelican (AMS-32)/USS Pelican (MSC(O)-32), USS Pelican (MHC-53))
 * USS Pembina (USS Pembina (1861), USS Pembina (AK-200)/USNS Pembina (T-AK-200))
 * USS Pemiscot (USS Pemiscot (AK-201))
 * USS Penacook (USS Penacook (1898), USS Penacook (YT-6)/USS Penacook (YTM-6), USS Penacook (YT–279)/USS Penacook (YTB-279))
 * USS Pender County (USS Pender County (LST-1080))
 * USS Penetrate (USS Penetrate (AM-271)/USS Penetrate (MSF-271))
 * USS Penguin (USS Penguin (1861), USS Penguin (AM–33), USS Penguin (ASR-12))
 * USS Pennewill (USS Pennewill (DE-175))
 * USS Pennsylvania (USS Pennsylvania (1837), USS Pennsylvania (ACR-4), USS Pennsylvania (BB-38), USS Pennsylvania (SSBN-735))
 * USS Pennsylvania R. R. No. 9 (USS Pennsylvania R. R. No. 9 (SP-679))
 * USS Pennsylvanian (USS Pennsylvanian (ID-3511))
 * USS Penobscot (USS Penobscot (1861), USS Penobscot (SP-982)/USS Penobscot (YT-42)/USS Penobscot (YTB-42), USS Penobscot (ATA-188))
 * USS Pensacola (USS Pensacola (1859), USS Pensacola (ID-2078)/USS Pensacola (AK-7)/USS Pensacola (AG-13), USS Pensacola (CL-24)/USS Pensacola (CA-24), USS Pensacola (LSD-38))
 * USS Pentheus (USS Pentheus (ARL-20))
 * USS Pentucket (USS Pentucket (YT-8))
 * USS Peony (USS Peony (1864))
 * USS Peoria (USS Peoria (1863), USS Peoria (AT-48)/USS Peoria (YT-109), USS Peoria (PG-175)/USS Peoria (PF-67), USS Peoria (LST-1183))
 * USS Peosta (USS Peosta (1857))
 * USS Pepperwood (USS Pepperwood (YN-31)/USS Pepperwood (AN-36))
 * USS Pequawket (USS Pequawket (YTB-705))
 * USS Pequeni (USS Pequeni (1917))
 * USS Pequot (USS Pequot (1863), USS Pequot (1910), USCGC Pequot (WARC-58))
 * USS Perch (USS Perch (SS-176), USS Perch (SS-313)/USS Perch (SSP-313)/USS Perch (ASSP-313)/USS Perch (APSS-313)/USS Perch (LPSS-313)/USS Perch (IXSS-313))
 * USS Percival (USS Percival (DD-298), USS Percival (DD-452))
 * USS Percy Drayton (USS Percy Drayton (1863))
 * USS Perdido (USS Perdido (ACV-47)/USS Perdido (CVE-47))
 * USS Peregrine (USS Peregrine (AM-373)/USS Peregrine (MSF-373)/USS Peregrine (EMSF-373)/USS Peregrine (AG-176))
 * USS Perfecto (USS Perfecto (SP-86))
 * USS Peri (USS Peri (1861))
 * USS Peridot (USS Peridot (PYc-18))
 * USS Peril (USS Peril (AM-272)/USS Peril (MSF-272))
 * USS Periwinkle (USS Periwinkle (1864))
 * USS Perkins (USS Perkins (DD-26), USS Perkins (DD-377), USS Perkins (DD-877)/USS Perkins (DDR-877))
 * USS Permit (USS Permit (SS-178), USS Permit (SSN-594))
 * USS Perry (USS Perry (1843), USS Perry (DD-11), USS Perry (DD-340)/USS Perry (DMS-17), USS Perry (DD-844))
 * USS Perseus (USCGC Perseus (WPC-114), USS Perseus (AF-64)/USNS Perseus (T-AF-64))
 * USS Perseverance (USS Perseverance (PYc-44))
 * USS Persistent (USS Persistent (PYc-48), USS Persistent (AM-491)/USS Persistent (MSO-491), USNS Persistent (T-AGOS-6))
 * USS Pert (USS Pert (1812), USS Pert (PG-95))
 * USS Peshewah (USS Peshewah (YT-281)/USS Peshewah (YTB-281))
 * USS Pessacus (USS Pessacus (YT-192)/USS Pessacus (YTB-192))
 * USS Petalesharo (USS Petalesharo (YTB-832))
 * USS Petaluma (USS Petaluma (AOG-69), USNS Petaluma (T-AOG-79))
 * USS Pete (USS Pete (SP-596))
 * USS Peter C. Struven (USS Peter C. Struven (SP-332))
 * USS Peter Demill (USS Peter Demill (1861))
 * USS Peter H. Crowell (USS Peter H. Crowell (ID-2987))
 * USS Peterhoff (USS Peterhoff (1863))
 * SS Petersburg (SS Petersburg (T-AOT-9101))
 * USS Peterson (USS Peterson (DE-152), USS Peterson (DD-969))
 * USS Peto (USS Peto (SS-265))
 * USS Petoskey (USS Petoskey (PC-569))
 * USS Petrel (USS Petrel (1846), USS Petrel (1862), USS Petrel (PG-2), USS Petrel (ASR-14))
 * USS Petrelita (USS Petrelita (1899))
 * USS Petrita (USS Petrita (1846))
 * USS Petrof Bay (USS Petrof Bay (CVE-80)/USS Petrof Bay (CVU-80))
 * USNS Petrolite (USNS Petrolite (T-AO-164))
 * USS Pettit (USS Pettit (DE-253))
 * USS Peyton (USS Peyton (PG-199)/USS Peyton (PF-91))

Pf–Pi

 * USNS PFC Dewayne T. Williams (MV PFC Dewayne T. Williams (AK-3009)/USNS PFC Dewayne T. Williams (T-AK-3009))
 * USS PFC Eugene A. Obregon (USS PFC Eugene A. Obregon (AK-3006))
 * MV PFC James Anderson Jr. (MV PFC James Anderson Jr. (AK-3002))
 * MV PFC William B. Baugh (MV PFC William B. Baugh (AK-3001))
 * USS Phalarope (USS Phalarope (1881))
 * USS Phantom (USS Phantom (AM-273))
 * USS Phaon (USS Phaon (ARB-3))
 * USS Pharris (USS Pharris (DE-1094)/USS Pharris (FF-1094))
 * USS Pheasant (USS Pheasant (AM-61)/USS Pheasant (MSF-61))
 * USS Phelps (USS Phelps (DD-360))
 * USS Phenakite (USS Phenakite (PYc-25))
 * USS Philadelphia (USS Philadelphia (1776), USS Philadelphia (1799), USS Philadelphia (1861), USS Philadelphia (C-4)/USS Philadelphia (IX-24), USS Philadelphia (CL-41), USS Philadelphia (SSN-690), USS Philadelphia (LPD-32))
 * USS Philip (USS Philip (DD-76), USS Philip (DD-498)/USS Philip (DDE-498))
 * USS Philippi (USS Philippi (1863))
 * USS Philippine Sea (USS Philippine Sea (CV-47)/USS Philippine Sea (CVA-47)/USS Philippine Sea (CVS-47)/USS Philippine Sea (AVT-11), USS Philippine Sea (CG-58))
 * USS Philippines (USS Philippines (SP-1677), USS Philippines (CB-4))
 * USS Phillimore (USS Phillimore (PG-197)/USS Phillimore (PF-89))
 * USS Phillips (USS Phillips (SP-1389))
 * USS Phineas Sprague (USS Phineas Sprague (1861))
 * USS Phlox (USS Phlox (1864))
 * USS Phobos (USS Phobos (AK-129))
 * USS Phoebe (USS Phoebe (AMc-57), USS Phoebe (AMS-199)/USS Phoebe (MSC-199))
 * USS Phoebus (USS Phoebus (YF-294)/USS Phoebus (YDT-14))
 * USS Phoenix (USS Phoenix (1778), USS Phoenix (1841), USS Phoenix (1861), USS Phoenix (CL-46), USS Phoenix (AG-172)/USNS Phoenix (T-AG-172), USS Phoenix (SSN-702))
 * USS Piave (USS Piave (ID-3799))
 * USS Pickaway (USS Pickaway (APA-222)/USS Pickaway (LPA-222))
 * USS Pickens (USS Pickens (APA-190))
 * USS Pickerel (USS Pickerel (SS-22), USS Pickerel (SS-177), USS Pickerel (SS-524))
 * USS Pickering (USS Pickering (1798))
 * USS Picket (USS Picket (ACM-8), USS Picket (YAGR-7)/USS Picket (AGR-7))
 * USS Picking (USS Picking (DD-685))
 * USS Pictor (USS Pictor (AF-27)/USS Pictor (AF-54))
 * USS Picuda (USS Picuda (SS-382))
 * USS Piedmont (USS Piedmont (AD-17))
 * USS Pierce (USS Pierce (AP-95)/USS Pierce (APA-50))
 * USS Pierre (USS Pierre (PC-1141), USS Pierre (LCS-38))
 * USS Pigeon (USS Pigeon (AM-47)/USS Pigeon (ASR-6), USS Pigeon (AM-374)/USS Pigeon (MSF-374), USS Pigeon (ASR-21))
 * USS Pigot (USS Pigot (1778))
 * USS Pike (USS Pike (SS-6), USS Pike (SS-173))
 * USS Pikeville (USS Pikeville (PC-776))
 * USS Pilford (USS Pilford (PG-193)/USS Pilford (PF-85))
 * USS Pilgrim (USS Pilgrim (1864), USS Pilgrim (1864a), USS Pilgrim (SP-1204))
 * USS Pilgrim II (USS Pilgrim II (YFB-30))
 * USNS Pililaau (USNS Pililaau (T-AKR-304))
 * USS Pillsbury (USS Pillsbury (DD-227), USS Pillsbury (DE-133)/USS Pillsbury (DER-133))
 * USS Pilot (USS Pilot (1836), USS Pilot (AM-104)/USS Pilot (MSF-104))
 * USS Pilotfish (USS Pilotfish (SS-386))
 * USS Pima County (USS Pima County (LST-1081))
 * USS Pinafore (USS Pinafore (SP-450))
 * USS Pinckney (USS Pinckney (DDG-91))
 * USS Pinellas (USS Pinellas (AK-202))
 * USCGC Pine (USCGC Pine (WAGL-162))
 * USS Pine Island (USS Pine Island (AV-12))
 * USS Pink (USS Pink (1863))
 * USS Pinkney (USS Pinkney (APH-2))
 * USS Pinna (USS Pinna (SS-178))
 * USS Pinnacle (USS Pinnacle (AM-274), USS Pinnacle (AM-462)/USS Pinnacle (MSO-462))
 * USS Pinnebog (USS Pinnebog (AOG-58)/USNS Pinnebog (T-AOG-58))
 * USS Pinola (USS Pinola (1861), USS Pinola (AT-33)/USS Pinola (ATO-33), USS Pinola (ATA-206))
 * USS Pinon (USS Pinon (YN-87)/USS Pinon (AN-66))
 * USS Pinta (USS Pinta (1864))
 * USS Pintado (USS Pintado (SS-387)/USS Pintado (AGSS-387), USS Pintado (SSN-672))
 * USS Pintail (USS Pintail (AMc-17))
 * USS Pinto (USS Pinto (AT-90)/USS Pinto (ATF-90))
 * USS Piomingo (USS Piomingo (YT-282)/USS Piomingo (YTB-282))
 * USS Pioneer (USS Pioneer (1836), 1918, 1929, USS Pioneer (AM-105)/USS Pioneer (MSF-105), OSS-31, USS Pioneer (MCM-9))
 * SS Pioneer Commander (SS Pioneer Commander (AK-2016))
 * SS Pioneer Contractor (SS Pioneer Contractor (AK-2018))
 * SS Pioneer Crusader (SS Pioneer Crusader (AK-2019))
 * USS Pioneer Valley (USS Pioneer Valley (AO-140)/USS Pioneer Valley (T-AO-140))
 * USS Pipefish (USS Pipefish (SS-388)/USS Pipefish (AGSS-388))
 * USS Pipestone (USS Pipestone (AK-203))
 * USS Piper (USS Piper (SS-409)/USS Piper (AGSS-409))
 * USS Pipit (USS Pipit (AMc-1), USS Pipit (AM-420))
 * USS Piqua (USS Piqua (SP-130), USS Piqua (YTB-793))
 * USS Piranha (USS Piranha (SS-389)/USS Piranha (AGSS-389))
 * USS Pirate (USS Pirate (SP-229), USS Pirate (AM-275))
 * USS Piscataqua (USS Piscataqua (1866), USS Piscataqua (1869), USS Piscataqua (AT-49), USS Piscataqua (AOG-70), USNS Piscataqua (T-AOG-80))
 * USS Pit River (USS Pit River (LSM(R)-518))
 * USS Pitamakan (USS Pitamakan (YT-403)/USS Pitamakan (YTB-403)/USS Pitamakan (YTM-403))
 * USS Pitchlynn (USS Pitchlynn (YT-283)/USS Pitchlynn (YTB-283))
 * USS Pitkin (USS Pitkin (AK-204))
 * USS Pitkin County (USS Pitkin County (LST-1082))
 * USS Pitt (USS Pitt (APA-223)/USS Pitt (APA-223))
 * USS Pittsburgh (USS Pittsburgh (ACR-4)/USS Pittsburgh (CA-4), USS Pittsburgh (CA-70), USS Pittsburgh (CA-72), USS Pittsburgh (SSN-720), USS Pittsburgh (LPD-31))
 * USS Pivot (USS Pivot (AM-276), USS Pivot (AM-463)/USS Pivot (MSO-463))

Pl–Pol

 * USS Placerville (USS Placerville (PC-1087))
 * USS Plaice (USS Plaice (SS-390))
 * USS Plainview (USS Plainview (AGEH-1))
 * USS Planter (USS Planter (1862), USS Planter (ACM-2))
 * USS Platono (USS Platono (AF-27))
 * USS Platte (USS Platte (AO-24), USS Platte (AO-186))
 * USS Plattsburg (USS Plattsburg (ID-1645))
 * USS Pledge (USS Pledge (AM-277), USS Pledge (AM-492)/USS Pledge (MSO-492))
 * USS Pleiades (USS Pleiades (SP-1616), USS Pleiades (AK-46))
 * USS Plover (USS Plover (AM-12), USS Plover (AM-408), USS Plover (AMc-3), USS Plover (AMS-33)/USS Plover (MSC(O)-33))
 * USS Pluck (USS Pluck (AMc-94), USS Pluck (AM-464)/USS Pluck (MSO-464))
 * USS Plumas County (USS Plumas County (LST-1083))
 * USS Plunger (USS Plunger (SS-2), USS Plunger (SS-179), USS Plunger (SSN-595))
 * USS Plunkett (USS Plunkett (DD-431))
 * USS Plymouth (USS Plymouth (1844), USS Plymouth (1867), USS Plymouth (SP-3308), USS Plymouth (PG-57))
 * USS Plymouth Rock (USS Plymouth Rock (LSD-29))
 * USS Pocahontas (USS Pocahontas (1852), USS Pocahontas (AT-18), USS Pocahontas (ID-3044), USS Pocahontas (YT-266)/USS Pocahontas (YTB-266)/USS Pocahontas (YTM-266))
 * USS Pocasset (USS Pocasset (YTB-516)/USS Pocasset (YTM-779))
 * USS Pocatello (USS Pocatello (PG-117)/USS Pocatello (PF-9))
 * USS Pochard (USS Pochard (AM-375)/USS Pochard (MSF-375))
 * USS Pocomoke (USS Pocomoke (SP-571), USS Pocomoke (SP-265)/USS Pocomoke (YT-43), USS Pocomoke (AV-9))
 * USS Pocono (USS Pocono (AGC-16)/USS Pocono (LCC-16))
 * USS Pocotagligo (USS Pocotagligo (IX-86))
 * USS Pogatacut (USS Pogatacut (YTB-267))
 * USS Pogy (USS Pogy (SS-266), USS Pogy (SSN-647))
 * USS Poinsett (USS Poinsett (1840), USS Poinsett (AK-205))
 * USNS Point Barrow (USNS Point Barrow (T-AKD-1))
 * USS Point Bonita (USS Point Bonita (ID-3496))
 * USS Point Cruz (USS Point Cruz (CVE-119)/USS Point Cruz (AKV-19)/USNS Point Cruz (T-AKV-19))
 * USS Point Defiance (USS Point Defiance (LSD-24), USS Point Defiance (LSD-31))
 * USS Point Lobos (USS Point Lobos (ID-3404))
 * USNS Point Loma (USNS Point Loma (T-AGDS-2), USNS Point Loma (T-EPF-15))
 * USS Pokagon (USS Pokagon (YTB-274), USS Pokagon (YTB-746)/USS Pokagon (YTM-746), USS Pokagon (YTB-836))
 * USS Pokanoket (USS Pokanoket (YTB-517)/USS Pokanoket (YTM-762))
 * USS Polana (USS Polana (AKA-35))
 * USS Polar Bear (USS Polar Bear (ID-3666))
 * USS Polar Land (USS Polar Land (SP-3651))
 * USS Polar Sea (USS Polar Sea (SP-3301))
 * USS Polar Star (USS Polar Star (SP-3787))
 * USS Polaris (USS Polaris (1871), USS Polaris (AF-11))
 * USS Politesse (USS Politesse (SP-662))
 * USRC Polk (USRC Polk (1846))
 * USS Polk County (USS Polk County (LST-1084))
 * USS Pollack (USS Pollack (SS-180), USS Pollack (SSN-603))
 * USS Pollux (USS Pollux (SP-2573), USS Pollux (AKS-2), USS Pollux (AKS-4), USNS Pollux (T-AK-290)/USNS Pollux (T-AKR-290))
 * USS Polly (USS Polly (SP-690))
 * USS Pollyanna (USS Pollyanna (SP-1048))

Pom–Pow

 * USS Pomander (USS Pomander (SP-702))
 * USNS Pomeroy (USNS Pomeroy (T-AKR-316))
 * USS Pomfret (USS Pomfret (SS-391))
 * USS Pomodon (USS Pomodon (SS-486))
 * USS Pompano (USS Pompano (1906), USS Pompano (SS-181), USS Pompano (SS-491))
 * USS Pompanoosuc (USS Pompanoosuc (1863))
 * USS Pompey (USS Pompey (AF-5))
 * USS Pompon (USS Pompon (SS-267)/USS Pompon (SSR-267))
 * USS Ponaganset (USS Ponaganset (AO-86))
 * USS Ponce (USS Ponce (SP-364), USS Ponce (LPD-15)/USS Ponce (AFSB-15))
 * USS Ponchatoula (USS Ponchatoula (AOG-38), USS Ponchatoula (AO-148)/USNS Ponchatoula (T-AO-148))
 * USS Pondera (USS Pondera (APA-191))
 * USS Ponkabia (USS Ponkabia (YTB-411))
 * USS Pontiac (USS Pontiac (1864), USS Pontiac (YT-20), USS Pontiac (SP-2343), USS Pontiac (AF-20), USS Pontiac (YTB-756))
 * USS Pontoosuc (USS Pontoosuc (1864))
 * USS Pontotoc (USS Pontotoc (AK-206)/USS Pontotoc (AG-94)/USS Pontotoc (AVS-7))
 * USS Pontus (USS Pontus (AGP-20))
 * USS Poole (USS Poole (DE-151))
 * USS Pope (USS Pope (DD-225), USS Pope (DE-134))
 * USS Popham (USS Popham (PG-198)/USS Popham (PF-90))
 * USS Poplar (USS Poplar (YN-24), USCGC Poplar (WAGL-241))
 * USS Poppy (USS Poppy (1863))
 * USS Poquim (USS Poquim (YTB-285))
 * USS Porcupine (USS Porcupine (1813), USS Porcupine (IX-126))
 * USS Porpoise (USS Porpoise (1820), USS Porpoise (1836), USS Porpoise (SS-7), USS Porpoise (YFB-2047), USS Porpoise (SS-172))
 * USS Port Blakeley (USS Port Blakeley (YT-266))
 * USS Port Clinton (USS Port Clinton (PC-1242))
 * USS Port Discovery (USS Port Discovery (YTB-267))
 * USS Port Fire (USS Port Fire (1864))
 * USS Port Royal (USS Port Royal (1862), USS Port Royal (CG-69), USS Port Royal (CG-73))
 * USS Port Whangarei (USS Port Whangarei (YAG-25))
 * USS Portage (USS Portage (PCE-902))
 * USS Portage Bay (USS Portage Bay (CVE-115))
 * USS Portent (USS Portent (AM-106))
 * USS Porter (USS Porter (TB-6), USS Porter (DD-59), USS Porter (DD-356), USS Porter (DD-800), USS Porter (DDG-78))
 * USS Porterfield (USS Porterfield (DD-682))
 * USS Portland (USS Portland (CA-33), USS Portland (LSD-37), USS Portland (LPD-27))
 * USS Portobago (USS Portabago (YTB-413))
 * USS Portsmouth (USS Portsmouth (1798), USS Portsmouth (1843), USS Portsmouth (CL-102), USS Portsmouth (SSN-707))
 * USS Portunus (USS Portunus (AGP-4), USS Portunus (ARC-1))
 * USS Poseidon (ARL-12) (USS Poseidon (ARL-12))
 * USS Positive (USS Positive (AMc-95))
 * USS Postmaster General (USS Postmaster General (SP-2364))
 * USS Potawatomi (USS Potawatomi (AT-109)/USS Potawatomi (ATF-109))
 * USS Potomac (USS Potomac (1822), USS Potomac (1861), USS Potomac (AT-50), USS Potomac (AG-25), USNS Potomac (T-AO-150), USNS Potomac (T-AO-181)/USNS Potomac (T-AOT-181))
 * USS Potomska (USS Potomska (1861))
 * USS Potter County (USS Potter County (LST-1086))
 * USS Poughkeepsie (USS Poughkeepsie (PG-134)/USS Poughkeepsie (PF-26), USS Poughkeepsie (YTB-813))
 * USS Powder River (USS Powder River (LSM(R)-519))
 * USS Power (USS Power (AMc-96), USS Power (DD-839))
 * USS Powhatan (USS Powhatan (1850), 1861, USS Powhatan (1898), USS Powhatan (ID-3013), USS Powhatan (YT-128)/USS Powhatan (YTM-128), USNS Powhatan (T-ATF-166))

Pra–Pri

 * USS Prairie (USS Prairie (AD-5), USS Prairie (AD-15))
 * USS Prairie Bird (USS Prairie Bird (1862))
 * USS Prairie State (USS Prairie State (IX-15))
 * USS Pratt (USS Pratt (DE-363))
 * USS Preble (USS Preble (1813), USS Preble (1839), USS Preble (DD-12), USS Preble (DD-345)/USS Preble (DM-20)/USS Preble (AG-99), USS Preble (DLG-15)/USS Preble (DDG-46), USS Preble (DDG-88))
 * USS Precept (USS Precept (YN-79)/USS Precept (AN-73))
 * USS Precise (USS Precise (AN-74))
 * USS Prefect (USS Prefect (YN-88)/USS Prefect (AN-75))
 * USS Prentiss (USS Prentiss (AKA-102))
 * USS Prescott (USS Prescott (PCS-1423))
 * USS Preserver (USS Preserver (ARS-8))
 * USS President (USS President (1800), USS President (1812))
 * USS President Adams (USS President Adams (AP-38)/USS President Adams (APA-19))
 * USS President Grant (USS President Grant (ID-3014))
 * USS President Hayes (USS President Hayes (AP-39)/USS President Hayes (APA-20))
 * USS President Jackson (USS President Jackson (AP-37)/USS President Jackson (APA-18)/USNS President Jackson (T-APA-18))
 * USS President Lincoln (USS President Lincoln (1907))
 * USS President Monroe (USS President Monroe (AP-104))
 * USS President Polk (USS President Polk (AP-103))
 * USS President Warfield (USS President Warfield (IX-169))
 * USS Presidio (USS Presidio (APA-88))
 * USS Presley (USS Presley (DE-371))
 * USS Presque Isle (USS Presque Isle (APB-44), USS Presque Isle (AKS-19))
 * USS Prestige (USS Prestige (AMc-97), USS Prestige (AM-465)/USS Prestige (MSO-465))
 * USS Preston (USS Preston (1864), USS Preston (1865), USS Preston (DD-19), USS Preston (DD-327), USS Preston (DD-379), USS Preston (DD-795))
 * USS Pretext (USS Pretext (AN-76))
 * USS Pretoria (USS Pretoria (1897))
 * USS Prevail (USS Prevail (AM-107)/USS Prevail (AGS-20), USNS Prevail (T-AGOS-8)/USS Prevail (IX-537)/USS Prevail (TSV-1))
 * USS Preventer (USS Preventer (AN-77))
 * USS Price (USS Price (DE-332)/USS Price (DER-332))
 * USS Prichett (USS Prichett (DD-561))
 * USS Pride (USS Pride (DE-323), SS Pride (AK-5017))
 * USS Prime (USS Prime (AM-279), USS Prime (AM-466)/USS Prime (MSO-466))
 * USS Primrose (USS Primrose (1863))
 * USS Prince (USS Prince (ACV-45)/USS Prince (CVE-45))
 * USS Prince Georges (USS Prince Georges (AP-165)/USS Prince Georges (AK-224))
 * USS Prince William (USS Prince William (AVG-19)/USS Prince William (ACV-19)/USS Prince William (CVE-19), USS Prince William (AVG-31)/USS Prince William (ACV-31)/USS Prince William (CVE-31)/USS Prince William (CVHE-31))
 * USS Princess Matoika (USS Princess Matoika (ID-2290))
 * USS Princess Royal (USS Princess Royal (1863))
 * USS Princeton (USS Princeton (1843), USS Princeton (1851), USS Princeton (1897), USS Princeton (PG-13), USS Princeton (CV-23)/USS Princeton (CVL-23), USS Princeton (CV-37)/USS Princeton (CVA-37)/USS Princeton (CVS-37)/USS Princeton (LPH-5), USS Princeton (CG-59))
 * USS Principle (USS Principle (AMc-97))
 * USS Pringle (USS Pringle (DD-477))
 * USS Prinz Eitel Friedrich (USS Prinz Eitel Friedrich (ID-1628))
 * USS Prinz Eugen (USS Prinz Eugen (IX-300))
 * USS Prinz Friedrich Wilhelm (USS Prinz Friedrich Wilhelm (ID-4063))
 * USS Prinzess Irene (USS Prinzess Irene (ID-3044))
 * USS Priscilla (USS Priscilla (SP-44))
 * USNS Private Elden H. Johnson (USNS Private Elden H. Johnson (T-AP-184))
 * USNS Private Francis X. McGraw (USNS Private Francis X. McGraw (T-AK-241))
 * USNS Private Frank J. Petrarca (USNS Private Frank J. Petrarca (T-AK-250))
 * MV Private Franklin J. Phillips (MV Private Franklin J. Phillips (AK-3004))
 * USNS Private Joe E. Mann (USNS Private Joe E. Mann (T-AK-253))
 * USNS Private Joe P. Martinez (USNS Private Joe P. Martinez (T-AP-187))
 * USNS Private John F. Thorson (USNS Private John F. Thorson (T-AK-247))
 * USNS Private John R. Towle (USNS Private John R. Towle (T-AK-240))
 * USNS Private Jose F. Valdez (USNS Private Jose F. Valdez (T-APC-119)/USNS Private Jose F. Valdez (T-AG-169))
 * USNS Private Joseph F. Merrell (USNS Private Joseph F. Merrell (T-AKV-4)/USNS Private Joseph F. Merrell (T-AK-275))
 * USNS Private Leonard C. Brostrom (USNS Private Leonard C. Brostrom (T-AK-255))
 * USNS Private Sadao S. Munemori (USNS Private Sadao S. Munemori (T-AP-190))
 * USNS Private William H. Thomas (USNS Private William H. Thomas (T-AP-185))
 * USS Privateer (USS Privateer (SP-179)/USS Privateer (YP-179))

Pro–Py

 * USS Procyon (USS Procyon (AG-11), USS Procyon (AK-19)/USS Procyon (AKA-2), USS Procyon (AF-61))
 * USS Progress (USS Progress (AMc-98))
 * USS Progressive (USS Progressive (SP-2003))
 * USS Project (USS Project (AM-278))
 * USS Prometheus (USS Prometheus (1814), USS Prometheus (AR-3))
 * USS Propus (USS Propus (AK-132))
 * USS Proserpine (USS Proserpine (ARL-21))
 * USS Protector (USS Protector (1863), USS Protector (ARS-14), USS Protector (YAGR-11)/USS Protector (AGR-11))
 * USS Proteus (USS Proteus (1863), USS Proteus (AC-9), USS Proteus (AS-19)/USS Proteus (IX-518))
 * USS Proton (USS Proton (AG-147)/USS Proton (AKS-28))
 * USS Providence (USS Providence (1775), USS Providence (1776 frigate), USS Providence (1776 gundalow), USS Providence (CL-82)/USS Providence (CLG-6)/USS Providence (CG-6), USS Providence (SSN-709), USS Providence (SSN-719))
 * USS Provincetown (USS Provincetown (PCS-1378))
 * USS Provo (USNS Provo (T-AG-173))
 * USS Provo Victory (USS Provo Victory (AK-228))
 * USS Prowess (USS Prowess (AM-280)/USS Prowess (MSF-280)/USS Prowess (IX-305))
 * USS Prowse (USS Prowse (PG-200)/USS Prowse (PF-92))
 * USS Prudent (USS Prudent (PG-96))
 * USS Pruitt (USS Pruitt (DD-347)/USS Pruitt (DM-22)/USS Pruitt (AG-101))
 * USS Psyche V (USS Psyche V (SP-9))
 * PT boats
 * USS Ptarmigan (USS Ptarmigan (AM-376)/USS Ptarmigan (MSF-376))
 * USS Pudiano (USS Pudiano (SS-392))
 * USS Pueblo (USS Pueblo (ACR-7)/USS Pueblo (CA-7), USS Pueblo (PG-121)/USS Pueblo (PF-13), USS Pueblo (AKL-44)/USS Pueblo (AGER-2))
 * USS Puerto Rico (USS Puerto Rico (CB-5), USNS Puerto Rico (HST-2), USNS Puerto Rico (T-EPF-11))
 * USS Puffer (USS Puffer (SS-268), USS Puffer (SSN-652))
 * USS Puffin (USS Puffin (AMc-29))
 * USS Puget Sound (USS Puget Sound (AV-13), USS Puget Sound (CVE-113)/USS Puget Sound (CVHE-113)/USS Puget Sound (AKV-13), USS Puget Sound (AD-38))
 * USS Pulaski (USS Pulaski (1854))
 * USS Pulaski County (USS Pulaski County (LST-1088))
 * USS Pumper (USS Pumper (YO-56))
 * USS Purdy (USS Purdy (DD-734))
 * USS Puritan (USS Puritan (1864), USS Puritan (BM-1), USS Puritan (ID-2222), USS Puritan (IX-69), USS Puritan (ACM-16)/USS Puritan (MMA-16))
 * USS Pursuit (USS Pursuit (1861), USS Pursuit (AM-108)/USS Pursuit (AGS-17))
 * USS Purveyor (USS Purveyor (1859))
 * USS Pushmataha (USS Pushmataha (1868), USS Pushmataha (YTB-830))
 * USS Putnam (USS Putnam (DD-287), USS Putnam (DD-757))
 * USS Puyallup (USS Puyallup (YT-806))
 * USS Pybus (USS Pybus (AVG-34)/USS Pybus (ACV-34)/USS Pybus (CVE-34))
 * USS Pyro (USS Pyro (AE-1), USS Pyro (AE-24))
 * USS Pyrope (USS Pyrope (PYc-17))