P23

P23 may refer to:

Aircraft

 * Curtiss XP-23 Hawk II, an American experiment fighter
 * Piaggio P.23, an Italian transport
 * PZL P.23 Karaś, a Polish light bomber and reconnaissance aircraft

Other uses

 * LÉ Aisling (P23), a patrol vessel of the Irish Naval Service
 * Makonde language
 * MALTESE PATROL BOAT P23, of the Armed Forces of Malta
 * Papyrus 23, a biblical manuscript
 * PTGES3, an enzyme
 * Seligman Airport, in Yavapai County, Arizona, United States