Eugenius (; died 303/304) was a Roman usurper in Syria during the Tetrarchy. He was a tribune of 500 soldiers stationed in Seleucia Pieria, who proclaimed him emperor in 303. He marched with his troops to Antioch, where he fell in battle. References Sources DiMaio, Michael, "Eugenius (303/304 A.D.)" DIR 4th-century Roman usurpers 300s deaths Year of birth unknown Year of death uncertain Romans from unknown gentes Ancient Romans killed in action Tetrarchy Pieria (Syria) People of Roman Syria