Koen Ridder (born 14 March 1985) is a Dutch badminton player.
Koen Ridder won the 2008 men's doubles competition at the Portugal International together with Ruud Bosch. The following year, both won at the Dutch Championships and the Belgian International. In 2010 she won the Slovenian International and the Spanish International.
- Badminton player (Netherlands)
- Dutch champion (badminton )
- Born in 1985