Liam Byrne (born 18 August 1999) is an Ireland international rugby league footballer who plays as a forward for the Warrington Wolves in the Super League.
He has spent time on loan from Wigan at Workington Town in the Betfred League 1, as well as the Leigh Centurions and the Swinton Lions in the Championship.
Byrne was born in Salford, Greater Manchester, England. He is of Irish heritage.
In 2019, he made his Super League debut for Wigan against Hull F.C.
On 28 May 2022, Byrne played for Wigan in their 2022 Challenge Cup Final victory over Huddersfield. On 24 February 2024, Byrne played in Wigan's 2024 World Club Challenge final victory over Penrith. In the 2024 Good Friday game against arch-rivals St Helens, Byrne was shown a straight red card for a dangerous high tackle in Wigan's 12-4 loss. He was later suspended for four games and fined ã750. On 12 October 2024, Byrne played in Wigan's 9-2 2024 Super League Grand Final victory over Hull Kingston Rovers. On 9 October 2025, Byrne played in Wigan's 24-6 2025 Super League Grand Final loss against Hull Kingston Rovers.
On 10 September 2025 it was reported that he had signed for Warrington Wolves on a two-year deal