Ryan Koolwijk

Ryan Koolwijk (born 8 August 1985) is a retired professional footballer who played as a midfielder for and current assistant coach of the Suriname national team. He previously played for Excelsior, NEC, Dordrecht, AS Trenčín and Almere City. Born in the Netherlands, he represents the Suriname national team.

Born in Rotterdam, Koolwijk began his senior career with Excelsior during the 2007–08 season. He signed for NEC in May 2011. He also played for FC Dordrecht and Trenčín, before returning to Excelsior in May 2016. He returned to Trenčín in June 2019 and became a regular in the team's starting-XI. In April 2020, when the Fortuna Liga was suspended due to the COVID-19 pandemic in the country, Koolwijk ended his contract with the club by mutual agreement, as he intended to spend more time with his family in the Netherlands and he was dissatisfied by the proposed salary cut of over 50%, due to the pandemic. He signed with Almere City in May 2020.

Born in the Netherlands, Koolwijk is of Surinamese descent. He debuted with the Suriname national team in a 6–0 2022 FIFA World Cup qualification win over Bermuda on 4 June 2021. On 25 June Koolwijk was named to the Suriname squad for the 2021 CONCACAF Gold Cup.