Aono (written: 青野) is a Japanese surname. Notable people with the surname include:

• Daisuke Aono (青野 大介, born 1979), Japanese football player
• Joanne Aono, Japanese American artist
• Ryō Aono (青野 令, born 1990), Japanese snowboarder
• So Aono (青野 聰, born 1943), Japanese novelist
• Taka Aono, Japanese drift driver
• Takeshi Aono (青野 武, 1936–2012), Japanese voice actor and actor
• Takeshi Aono (baseball) (青野 毅, born 1983), Japanese professional baseball infielder
• Teruichi Aono (青野 照市, born 1953), Japanese professional 9-dan shogi professional who has written a number of shogi learning materials that were translated in English

Fictional characters

• Miki Aono, a character in Fresh Pretty Cure!