Mathieu Bastareaud (French pronunciation: ; born 17 September 1988) is a French rugby union centre who currently plays international rugby for France and is the Captain of Toulon. Bastareaud has captained France internationally three times during his career.
Bastareaud played for Creteil Rugby youth squads and then moved to Massy, where he was able to fit in well due to his large weight. He went through the junior academy there and played for the third division club SU Massy. He attracted national attention and after two seasons he moved to Stade Français.
He was included in the 2009 Six Nations Championship squad. He impressed in the match against Wales, which France won 21–16, on 27 February 2009, which was also his Six Nations Championship debut. He later played against England and as a replacement against Italy in the same competition. Matthieu was involved in the 2010 Six Nations Championship and was a key figure for the French side. He scored two tries against Scotland at Murrayfield. He was rested for the majority of the game against Italy but was brought on for the last 15 minutes.