Will Addison (born 20 August 1992) is an English born, Irish rugby union player for Ulster in the Pro14 and European Rugby Champions Cup. His primary position is centre, though he can also play wing or fullback. Addison made his club debut for Sale in 2011.In 2012, Addison was part of the England U20 side which won the Junior Six Nations. He also featured at the 2012 Junior World Cup.In March 2018 it was announced that Addison would be joining Pro14 side Ulster. Addison is an Ireland-qualified player.On 24 October 2018, Addison was named in the Ireland squad for the November Internationals. On 3 November 2018 he made his debut for Ireland against Italy.