P36 or P-36 may refer to:

Vessels , a ship of the Argentine Navy , a P-class sloop of the Royal Navy , a submarine of the Royal Navy , ships of the Indian Navy

Other uses Curtiss P-36 Hawk, an American fighter aircraft Papyrus 36, a biblical manuscript Petrobras 36, a collapsed oil platform Phosphorus-36, an isotope of phosphorus Soviet locomotive class P36, a steam locomotive

See also R-36 (missile) (), with a Cyrillic instead of a Latin P.