P38 or P-38 may refer to:

Biology and medicine

Multisynthetase complex auxiliary component p38 Aminoacyl tRNA synthetase complex-interacting multifunctional protein 2 is an enzyme that in humans is encoded by the ''AIMP2'' gene. Function The JTV1 gene is located on chromosome 7p22 flanked by two genes, HRI and PMS2. JTV1 and HRI overla ...

* p38 mitogen-activated protein kinases *

RPP38 Ribonuclease P protein subunit p38 is an enzyme that in humans is encoded by the ''RPP38'' gene. Interactions RPP38 has been shown to interact Advocates for Informed Choice, dba interACT or interACT Advocates for Intersex Youth, is a 501 ...

, ribonuclease P protein subunit p38

Military

* , a P-class sloop of the Royal Navy * , a submarine of the Royal Navy *

Lockheed P-38 Lightning The Lockheed P-38 Lightning is an American single-seat, twin piston-engined fighter aircraft that was used during World War II. Developed for the United States Army Air Corps by the Lockheed Corporation, the P-38 incorporated a distinctive twi ...

, an American fighter aircraft *

P-38 can opener The P-38, developed in 1942, is a small can opener that was issued in the canned field rations of the United States Armed Forces from World War II to the 1980s. Originally designed for and distributed in the K-ration, it was later included in th ...

, issued by the United States Armed Forces *

Walther P38 The Walther P38 (originally written Walther P.38) is a 9 mm semi-automatic pistol that was developed by Carl Walther GmbH as the service pistol of the Wehrmacht at the beginning of World War II. It was intended to replace the costly Luger P08, ...

, a pistol

Other uses

Mitchell Wing P-38 The Mitchell Wing P-38, also called the Lightning, is an American ultralight aircraft that was designed by Jim Mead and produced by Mitchell Aircraft Corporation. The aircraft was supplied as a kit for amateur construction.Cliche, Andre: ''Ul ...

, an American ultralight aircraft *

Papyrus 38 Papyrus 38 (in the Gregory-Aland numbering), designated by 𝔓38, is an early copy of part of the New Testament in Greek. It is a papyrus manuscript of the Acts of the Apostles, it contains only Acts 18:27-19:6.12-16. The manuscript paleographi ...

, a biblical manuscript *

Phosphorus-38 Although phosphorus (15P) has 23 isotopes from 25P to 47P, only 31P is stable; as such, phosphorus is considered a monoisotopic element. The longest-lived radioactive isotopes are 33P with a half-life of 25.34 days and 32P with a half-life of 14. ...

, an isotope of phosphorus *

Range Rover (P38A) The Range Rover (LP) is the second-generation Range Rover model from British car maker Land Rover. It was launched on 28 September 1994, 24 years after the introduction of the Range Rover Classic. It included an updated version of the Rover V8 ...

, a SUV * Porax-38, a starfighter from the ''Star Wars'' fictional universe {{letter-number combination disambiguation