Frédéric Niemeyer (born April 24, 1976) is a Canadian retired, veteran minor tour and Davis Cup tennis player who now is a Tennis Canada coach.
Born in Campbellton, New Brunswick, Niemeyer hails from Deauville, Sherbrooke, Quebec.
He became Canada's top ranked singles player according to the ATP rankings on January 7, 2002, retaining the position for one year solid, and most recently was thus ranked on January 23, 2006.