P53 (disambiguation)

p53 is a tumor suppressor protein.

P53 may also refer to:


 * p53 (band), an experimental music group
 * p53 (album), their 1996 live album
 * Curtiss XP-53, an American experimental fighter aircraft
 * HMS Ultor (P53), a submarine of the Royal Navy
 * INS Savitri (P53), a patrol vessel of the Indian Navy
 * P53 road (Ukraine)
 * Papyrus 53, a biblical manuscript
 * Pattern 1853 Enfield, a British rifle-musket
 * P53, a state regional road in Latvia
 * P53, a ThinkPad P series laptop