P54

P54 may refer to:

Aircraft

 * Percival P.54 Survey Prince, a British reconnaissance aircraft
 * P.Z.L. P.54 Ryś, a Polish heavy fighter design project
 * Vultee XP-54, an American prototype fighter aircraft

Vessels

 * ARA Bartolomé Cordero, a patrol vessel of the Argentine Navy
 * HMS Unshaken (P54), a submarine of the Royal Navy
 * INS Sarayu (P54), a patrol vessel of the Indian Navy sold in 2000
 * INS Saryu (P54), a patrol vessel of the Indian Navy commissioned in 2013

Other uses

 * Papyrus 54, a biblical manuscript
 * Peugeot 408 (P54), a crossover car
 * P54, a state regional road in Latvia