Rigardus Antonius "Rigard" van Klooster (born April 6, 1989 in Linschoten) is a former Dutch track racing cyclist and speed skater.

After some track cycling sessions, the KNWU offered van Klooster a place in the development team and a room in Papendal, near the velodrome in Apeldoorn.

Later that month, after getting an elite license, he placed 4th in the 1 km time trial at the Dutch national track championships and 7th in both the keirin and the sprint.

Van Klooster competed in the International Track Grand Prix of Alkmaar, Perth, Colorado Springs, Cottbus and Vienna.

[7] Based on his results, he qualified for the 2012 European Track Championships where he finished 6th in the team sprint (together with Hylke van Grieken and Matthijs Büchli) and 12th in the keirin.