P86 may refer to:

Vessels , a fast attack craft of the Argentine Navy , a patrol boat of the Royal Australian Navy , a submarine of the Royal Navy

Other uses DLR P86 stock, a passenger train used on the Docklands Light Railway in London, UK North American XP-86, an American prototype fighter aircraft Papyrus 86, a biblical manuscript Project 86, an American rock band P86, a state regional road in Latvia