Banno (written: 番野, 坂野 or 伴野) is a Japanese surname. Notable people with the surname include:

• Kuniko Banno (坂野 邦子, born 1957), Japanese swimmer
• Yoshiaki Banno (番野 善明, 1952–1991), Japanese astronomer
• Yoshimitsu Banno (坂野 義光, 1931–2017), Japanese film director
• Yutaka Banno (伴野 豊, born 1961), Japanese politician