JKP may refer to: James Knox Polk, the 11th president of the United States Jessica Kingsley Publishers, a book publisher Jammu and Kashmir Police Jharkhand Party, an Indian political party Jaunā konservatīvā partija, a Latvian political party Paku language John Keith Prothero, pseudonym of author Ada Elizabeth Chesterton (nee Jones), wife of Cecil Edward Chesterton, brother of G K Chesterton