Lionel Mazars (born 26 June 1984 in Toulouse, France) is a French rugby union footballer.
His professional career started at Toulouse in the Top 16's 2004-2005 season.
He only made one appearance for the club however and moved to RC Narbonne for the 2005-2006 season.
With Narbonne he played 26 matches in his first season – including five appearances in the European Challenge Cup.
This biographical article relating to French rugby union is a stub.