P65

P65 may refer to:


 * Adobe PageMaker, discontinued desktop publishing software
 * GRASP65, golgi reassembly stacking protein 1
 * Grumman XP-65, an American fighter aircraft design
 * HMS Upstart (P65), a submarine of the Royal Navy
 * P65 road (Ukraine)
 * Papyrus 65, a biblical manuscript
 * RELA, transcription factor p65
 * P65, a state regional road in Latvia
 * Proposition 65, a California hazardous substance law.