Gareth Thomas (born 2 August 1993) is a Welsh professional rugby union player who plays as a prop for United Rugby Championship club Ospreys and the Wales national team.

Thomas made his debut for the Ospreys regional team in 2014 having previously played for Carmarthen Quins,[1] Llanelli RFC and Newcastle Emlyn RFC.

His cousin is Scarlets loosehead prop Steffan Thomas.

[2] Thomas was selected in the Wales squad for the 2021 July rugby union tests and made his debut off the bench against Canada.

[3] He was selected in the Wales squad for the 2021 Autumn Nations Series.