| Lionel Mazars | |
| Birth Place: | Toulouse, France |
| Height: | 1.830NaN0 |
| Weight: | 90 kg (198 lb) |
| Ru Position: | Centre |
| Ru Nationalteam: | France |
| Ru Nationalyears: | 2007- |
| Ru Nationalcaps: | 2 |
| Ru Nationalpoints: | (0) |
| Ru Ntupdate: | 1 December 2011 |
| Ru Clubyears: | 2004–2005 2005–2007 2007–2009 2009–2013 2013– |
| Ru Proclubs: | Toulouse RC Narbonne Castres Bayonne Agen |
| Ru Clubcaps: | 1 54 48 84 70 |
| Ru Clubpoints: | (0) (25) (35) (35) (43) |
| Ru Clubupdate: | 23:59, 8 May 2016 (UTC) |
| Birth Date: | 26 June 1984 |
Lionel Mazars (born 26 June 1984 in Toulouse, France) is a French rugby union footballer. He mainly plays at inside and outside centre.
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. He stayed with the club for the 2006-2007 season, and made another 28 appearances, including five more Challenge Cup appearances.
He was selected for France in their 2007 Tour to New Zealand. He made his debut on 9 June 2007 against the All Blacks.