Benjamin Cassaigne (born 2 April 1976) is a former French tennis player.

Cassaigne achieved a career-high ATP singles ranking of 302 achieved on 10 June 2002.

He also reached a career-high ATP doubles ranking of 182 on 3 March 2003.

Cassaigne has one ATP Challenger Tour title at the 2003 Challenger La Manche.

This biographical article relating to French tennis is a stub.