P59

P59, P-59 or P.59 may refer to:

• Bell XP-59, a proposed American twin-boom fighter unrelated to the later P-59 jet
• Bell P-59 Airacomet, an American jet fighter aircraft
• HMS Untiring (P59), a Second World War Royal Navy submarine
• P.59 Partenavia Jolly, a training aircraft, one only built in 1960
• P59, a Latvian State Regional Road - see List of National Roads in Latvia
• p59, an alias of GRASP55, golgi reassembly stacking protein 2