Atsuo (written: 敦夫, 篤夫, 篤緒, 淳夫 or 篤男) is a masculine Japanese given name. Notable people with the name include:
, Japanese astronomer , Japanese writer and translator , Japanese ice hockey player , Japanese ice hockey player , Japanese literature researcher and poet , Japanese actor and politician , Japanese professional wrestler , Japanese footballer The drummer of the Japanese avant-garde metal band Boris