2P may refer to:
Science edit
- 2P/Encke, official designation of Comet Encke
- 2p, an arm of Chromosome 2 (human)
- 2p, an atomic orbital for electrons
- Two-photon absorption
- Two-photon excitation microscopy
Transportation edit
- Airphil Express, a Philippines airline, IATA code 2P
- LMS Class 2P 4-4-0, a British locomotive
Other edit
- 2P, a 408mm artillery piece from the Soviet Union
- 2p, a two pence British coin
- 2P, rapper 2 Pistols
- 2P reserves, proven reserves of fossil fuels
- 2P, meaning "player 2" in fandoms which can include inverting a character's personality and appearance
See also edit
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