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
{{given name
Japanese masculine given names