Asō (麻生), also spelled Asou or Asoh, is a Japanese surname. People with this surname include:
Marina Ōno (born 1972), also known as Hiromi Asō, voice actress and singerIzumi Aso (born 1960), manga artistKaori Asoh (born 1967), theatre and voice actressAso Koremitsu (1582–1593), nobleman of the Azuchi-Momoyama eraKumiko Aso (born 1978), actressMamiko Asō (born 1964), singer and businesswomanMiyoko Asō (born 1926), voice actressNatsuko Aso (born 1990), actress and singerNobuko Aso (born 1955), birth name of Princess Tomohito of MikasaMasao Urino (born 1951), also known as Reiji Asō, lyricist, script writer, and film directorTarō Asō (born 1940), politician and 59th Prime Minister of JapanTomohisa Asō (born 1949), voice actorWataru Aso (born 1939), governor of Fukuoka prefecture from 1995 to 2011Yumi Asou (born 1963), actress