Brian Liebenberg (born 19 September 1979 in Benoni) is a South Africa-born French former rugby union footballer.

His usual position is at centre, where he plays for Top 14 club, Stade Français.

He was also a part of France's 2004 Six Nations Championship victory, as well as playing for them during the 2003 Rugby World Cup.

He was then included in France's 2003 Rugby World Cup squad, playing in matches against the United States, as well as a reserve against Ireland and the All Blacks.

The following year Stade Français came close to winning the two biggest titles available to a French team, the Top 14 and the Heineken Cup trophies.