Benjamin Lucas (born 30 December 1987) is an Australian rugby union player who used to play for Montpellier as a fly-half in the Top 14.

Educated at Robertson State School, then St. Joseph's College, Gregory Terrace[1] Lucas is a former Australian schoolboy representative.

[2] Lucas caught the eye of then Australian coach John Connolly when he claimed a personal tally of 35 points in the Brisbane club competition final where his club Sunnybank beat the Gold Coast by 85–19, Lucas creating nearly every play from Fly Half.

[1] Lucas missed out on 2007 Rugby World Cup selection after inside back Berrick Barnes secured the last spot,[2] but was invited to train with the Queensland Reds in preparation for the 2008 Super 14 season.

[3] Lucas continued at fullback, including a solid effort in the Reds victory over the Highlanders in the final round at Suncorp Stadium.