Raphaël "Rafi" Mathieu (born 18 October 1983) is a French curler from Chamonix, France.
Mathieu has participated in four World Championships (, , and ). All three teams he has played as the Alternate for Team Dufour, their best performance was fifth in 2008.
Based on the points they accumulated at their three world championship appearances from 2007 to 2009 Team France qualified a team to the 2010 Vancouver Olympics where they finished in seventh place.
Outside of curling he works as an excavator driver.