Demophilus

Demophilus (Δημόφιλος) may refer to:


 * Demophilus of Thespiae led a contingent of about 700 Thespians at the Battle of Thermopylae (480 BC), and was killed there
 * Demophilus, an ancient Greek artist from Sicily
 * Demophilus (historian) edited the first universal history which was written by his father Ephorus
 * Demophilus of Constantinople, bishop of Constantinople from 370 until expelled in 380