Gary Richard Perry Dicker (born 31 July 1986) is an Irish football coach and former professional player who is the head coach for MLS Next Pro side Crown Legacy FC, the reserve side of Major League Soccer club Charlotte FC.

He joined from his local junior club Cherry Orchard and was gradually introduced into the first team through substitute appearances towards the latter end of UCD's successful 2004 First Division campaign.

In the 2006 League of Ireland close season he spent a loan spell at Championship side Birmingham City, but he never made it past the reserve team.

[5] On 26 March 2009, Dicker joined League One side Brighton & Hove Albion on loan for the remainder of the season.

[14] In early February 2021, Dicker was asked to help take temporary charge of the Kilmarnock first team alongside James Fowler and Andy Millen following the departure of Alex Dyer.

[16] Dicker returned to Brighton & Hove Albion on 2 July 2021, signing a deal to become a coach for the U23s whilst being eligible to play as one of three over-age outfield players in the Premier League 2.

[19] On 31 January 2022, six days after he announced his retirement from playing, Dicker became a coach for Brighton & Hove Albion U18s, working alongside James Baxter.