Iestyn Thomas (born 15 December 1976) is a former Wales international rugby union player.

[1] A prop forward, Thomas started his rugby career with home-town club Pontypool RFC, but later moved to the top division with Ebbw Vale RFC.

He was Mike Ruddock's choice as captain as he successfully kept Ebbw Vale in the league and had an impressive campaign in the Parker Pen Cup.

In 2002, Thomas joined Llanelli RFC with 11 Welsh caps to his name.

He progressed to the Scarlets regional team, for whom he played in more than 200 games over a nine-year career.