AJP

AJP or ajp may refer to:


 * American Journal of Philology, published by Johns Hopkins University Press
 * American Journal of Psychiatry, published by the American Psychiatric Association
 * American Journal of Psychology, published by the University of Illinois Press
 * American Journal of Physics, published by the American Association of Physics Teachers and the American Institute of Physics
 * American Journal of Physiology, published by the American Physiological Society
 * Asian Jake Paul, single by American Youtuber IDubbbz
 * Australasian Journal of Philosophy, published by the Australasian Association of Philosophy
 * AJP Motos, a Portuguese motorcycle brand
 * Animal Justice Party, a political party in Australia focusing on animal rights
 * Apache JServ Protocol, protocol for computer servers
 * All Japan Pro Wrestling, Japanese professional wrestling promotion
 * South Levantine Arabic (deprecated ISO 639-3 code)
 * AJP6 and AJP8, TVR engines
 * Assam Jatiya Parishad, political party in India