ʿAbd ar-Rabb Jaunpūrī (Urdu: عبد الرب جونپوری, Bengali: আব্দুর রব জৌনপুরী; 1875 – June 1935) was an Indian Muslim scholar, author and teacher. He was associated with reformist movement, founded by his grandfather Karamat Ali Jaunpuri, and succeeded his uncle Hafiz Ahmad Jaunpuri as the leader of the movement in 1899.