William Thomas (born 1954) is a Welsh international lawn and indoor bowler.

[1] Thomas won a silver medal in the fours at the 1996 World Outdoor Bowls Championship in Adelaide.

[2] Four years later he won a fours gold medal at the 2000 World Outdoor Bowls Championship in Johannesburg with Stephen Rees, Mark Williams and Robert Weale.

[3] He won the 1990 Welsh National Bowls Championships and subsequently won the singles at the British Isles Bowls Championships in 1991.

This biographical article relating to United Kingdom lawn or indoor bowls is a stub.