P64 may refer to:

Aviation Boulton & Paul P.64 Mailplane, a British transport biplane Kirksville Air Force Station, a closed United States Air Force radar station North American P-64, an American fighter aircraft Partenavia P.64 Oscar, an Italian light aircraft

Vessels , a submarine of the Royal Navy , a corvette of the Indian Navy , an offshore patrol vessel of the Irish Naval Service

Other uses FB P-64, a Polish semi-automatic pistol Magdalen papyrus, a biblical manuscript P64 road (Ukraine) P64, a state regional road in Latvia P-64 (mountain lion), a mountain lion that lived in Los Angeles and Ventura counties P64, three-dimensional space group number 172