Simon Grix (born 28 September 1985) is an Ireland international rugby league footballer who played as a second-row forward for Halifax in the Championship[4][3] and was the team's manager from May 2019 to Oct 2023.

[5] He played in the 2012 Super League Grand Final defeat to the Leeds Rhinos at Old Trafford.

He was named in their squad for the 2013 Rugby League World Cup but was ruled out by injury prior to the tournament and was replaced by Matty Hadden.

[15] On 22 May 2019, it was announced that Grix would become the head coach of Halifax Panthers in the RFL Championship following a successful stint as interim.

After defeating Whitehaven in the first week, Halifax travelled to Featherstone with the winner to play Toulouse Olympique in the Million Pound Game.