P13 may refer to:

Aircraft Aviatik P.13, a German reconnaissance biplane Lippisch P.13, a German experimental bomber Thomas-Morse XP-13 Viper, an American experimental biplane fighter

Transport Highway P13 (Ukraine), now numbered H28 London Buses route P13 P13 Road (Zimbabwe) San Carlos Apache Airport, in Gila County, Arizona, United States

Other uses Matumbi language NRK P13, a Norwegian radio station Papyrus 13, a biblical manuscript Pattern 1913 Enfield, a rifle P13, an alternative name of the pistol CZ P-10 C

Puente 13, a street gang in La Puente, California P13, a film rating in Malaysia See also 13P (disambiguation)