P44

P44 or P-44 may refer to:

Vessels

 * ARA Parker, a corvette of the Argentine Navy
 * HMS United (P44), a submarine of the Royal Navy
 * INS Kirpan (P44), a corvette of the Indian Navy
 * SPANISH PATROL VESSEL Tornado

Other uses

 * P44 (classification), a Modern pentathlon classification
 * Feinwerkbau P44, a match pistol
 * MAPK3, p44 mitogen-activated protein kinase
 * P44 road (Ukraine)
 * Papyrus 44, a biblical manuscript
 * Phosphorus-44, an isotope of phosphorus
 * Republic P-44 Rocket, a proposed American fighter aircraft
 * P44, a Latvian state regional road