Will Addison

William Joseph Addison (born 20 August 1992) is an English-born Irish international rugby union player who played as a utility back for Sale Sharks, Ulster and Ireland. He is currently a player-coach at Sale FC in National League 1.

A product of the Sale Sharks academy, Addison made his club debut for Sale in 2010. He was part of the England U20 side which won the Junior Six Nations. He also featured at the 2012 Junior World Cup. He split time between his rugby career and studying for a degree in business studies, graduating in 2014. He was named the Sharks' captain ahead of the 2017–18 season, having previously captained the side in the absence of Josh Beaumont.

Addison is Irish-qualified through his County Fermanagh-born mother, and grew up supporting Ireland. His contract with Sale contained an option to leave if an Irish team approached him, and he signed for Ulster ahead of the 2018–19 season in pursuit of his ambitions to play international rugby. On 24 October 2018, he was named in the Ireland squad for the November Internationals. On 3 November 2018 he made his debut for Ireland against Italy. He sustained a back injury in January 2019 that required surgery

He started the 2021–22 season strongly, playing four games and scoring a try, before sustaining a fracture of the lower leg in October which again meant undergoing surgery. He signed for Sale at the end of the 2023–24 season, and left at the end of the season, joining semi-professional side Sale FC as a player-coach.