P120

P120 may refer to:
 * P120 (protein), a cell adhesion protein
 * P120 (rocket stage)
 * Boulton Paul P.120, a British research aircraft
 * BRAZILIAN CORVETTE Amazonas
 * P-120 Malakhit, a Russian anti-ship missile
 * Papyrus 120, a biblical manuscript
 * Yamaha P-120, a portable electronic piano
 * P120, a state regional road in Latvia