Denny Kantono (Chinese: 关有明; born 12 January 1970) is a retired Chinese-Indonesian badminton player who specialized in men's doubles.

[1] He shared numerous international titles with his regular partner Antonius Ariantho including the French (1993), Hong Kong (1993), Denmark (1994), Thailand (1994), Chinese Taipei (1995, 1999), and Indonesia (1996) Opens; as well as the (now defunct) Badminton World Cup (1996) and World Badminton Grand Prix (1998) events.

They were runners-up at the prestigious All-England Championships in 1995 and bronze medalists at the 1996 Olympics in Atlanta.

Kantono competed in badminton at the 1996 Summer Olympics in men's doubles, with Antonius Ariantho, and won a bronze medal.

[3] Kantono has a daughter that also a badminton athlete name Serena Kani who plays in 2015 BWF World Junior Championships in Peru.