Tom Armstrong is an English former professional rugby league footballer who played primarily at centre, but also deputised on the wing and the back row.

Armstrong also played for Leigh, Swinton, Widnes Vikings and the Toronto Wolfpack in the Championship.

Armstrong's début game for Saints came against Warrington in the first round of Super League XIV.

At the Magic Weekend, held at Murrayfield, he scored a try from left centre in a 54-0 win over Hull Kingston Rovers, in his first game of the season.

[citation needed] Armstrong was released from his contract with St. Helens and has decided to join Swinton ahead of the 2012 season.