Killererin (Irish: Cill Fhir Iarainn) is a Gaelic football club based in the Tuam area in County Galway, Ireland.

An exclusively football club, Killererin fields underage teams up to U-16s play in the Galway league and championships.

They faced St Brigid's of Roscommon in the 2010 Connacht Senior Club Football Championship final, but were beaten in extra time.

[citation needed] In 2007, Nicky (Nicholas) Joyce was the only Galway player to receive an All Star nomination for the 2007 All-Ireland Senior Football Championship.

[4] His uncle Billy was part of the 1970s teams that won the club's first Galway SFC titles.