P85 may refer to: , a fast attack craft of the Argentine Navy , a patrol boat of the Royal Australian Navy McDonnell XP-85, an American prototype fighter aircraft Papyrus 85, a biblical manuscript PIK3R2, phosphatidylinositol 3-kinase regulatory subunit beta Ruger P85, a pistol Tesla Model S P85, an American automobile Yamaha P-85, a digital piano P85, a state regional road in Latvia