Ronald Wilfried Kolf (born June 5, 1939) is a former Surinamese football manager and player who is currently the technical director of the Suriname national team and a board member of Surinamese football club S.V.
Leo Victor.As a player, he played in the Surinamese Hoofdklasse for S.V.
Robinhood and for S.V.
Transvaal, having taken a brief player-coaching role at Concordia in Moengo, he would return to Paramaribo to finish his playing career at Transvaal.
He is one of the most successful managers in Suriname, having led Transvaal and Robinhood to a total 15 national titles.