Damian Dalassenos (Greek: Δαμιανός Δαλασσηνός; ca. 940 – 19 July 998) was a Byzantine aristocrat and the first known member of the Dalassenos noble family. He is known for his service as the military governor (doux) of Antioch in 996–998. He fought the Fatimids with some success, until he was killed at the Battle of Apamea on 19 July 998.