Gavin Thomas – is a Welsh former international rugby union player who played as a flanker. He played his club rugby for Tondu, Bridgend, Bath, the Ospreys, the Scarlets and the Newport Gwent Dragons, and was capped 24 times for Wales.

Thomas made his senior international debut for Wales on their 2001 tour of Japan, taking advantage of the senior players being absent on the Lions tour to Australia. He started the test matches on 10 and 17 June, scoring his first two tries for Wales in the second test.