P115

P115 may refer to:
 * ARM Felipe Xicoténcatl, a patrol boat of the Mexican Navy
 * Boulton Paul P.115, a British trainer aircraft
 * BRM P115, a Formula One racing car
 * Papyrus 115, a biblical manuscript
 * TCG Sivrihisar, a patrol boat of the Turkish Navy
 * USO1, general vesicular transport factor p115
 * Yamaha P-115, a portable digital piano
 * P115, a state regional road in Latvia