P50

P50, P-50, or P.50 may refer to:

Aircraft

 * Grumman XP-50, an American twin-engine heavy fighter prototype of 1941
 * Percival P.50 Prince, a late 1940s British light transport aircraft
 * Piaggio P.50, an Italian heavy bomber prototype of 1937-1938
 * Pottier P.50, a French racing aircraft developed in the late 1970s
 * PZL.50 Jastrząb, a Polish fighter of the late 1930s

Automobiles

 * Honda P50, a Japanese moped
 * Peel P50, a Manx three-wheeled microcar
 * Trabant P 50, an East German small car

Mathematics and science

 * P50 (neuroscience), an auditory event-related potential recorded using EEG
 * P50 (pressure), the partial pressure of a gas required to achieve 50% enzyme saturation
 * ASCC1, activating signal cointegrator 1 complex subunit 1
 * Median, or fiftieth percentile

Other uses

 * Huawei P50, a smartphone
 * INS Sukanya (P50), a patrol vessel of the Indian Navy
 * Kel-Tec P50, a semi-automatic pistol
 * Papyrus 50, a New Testament manuscript
 * Pauza P-50, a sniper rifle
 * P50, a state regional road in Latvia