P36

P36 or P-36 may refer to:

Vessels

 * ARA Piedra Buena, a ship of the Argentine Navy
 * HMS P36 (1916), a P-class sloop of the Royal Navy
 * HMS P36 (1941), a submarine of the Royal Navy
 * INS Agray (P36), a corvette 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