P38

P38 or P-38 may refer to:

Biology and medicine

 * Multisynthetase complex auxiliary component p38
 * p38 mitogen-activated protein kinases
 * RPP38, ribonuclease P protein subunit p38

Military

 * HMS P38 (1917), a P-class sloop of the Royal Navy
 * HMS P38 (1941), a submarine of the Royal Navy
 * Lockheed P-38 Lightning, an American fighter aircraft
 * P-38 can opener, issued by the United States Armed Forces
 * Walther P38, a pistol

Other uses

 * Mitchell Wing P-38, an American ultralight aircraft
 * Papyrus 38, a biblical manuscript
 * Phosphorus-38, an isotope of phosphorus
 * Range Rover (P38A), a SUV
 * Porax-38, a starfighter from the Star Wars fictional universe
 * P-38_can_opener, a small can opener