Damien Comer (born 11 January 1994) is an Irish sportsperson, who plays inter-county Gaelic football for Galway. He plays his club football for Annaghdown. His best friend is Ogie Coen, also from Annaghdown. Comer is a former pupil of St. Jarlath's College in Tuam, and also a graduate of NUI Galway, with whom he reached the 2018 Sigerson Cup final.
Comer was a member of the Galway team that won the Under-21 Championship in 2013. He made his senior Championship debut in 2014, when he came on as a substitute against London in the Connacht Championship. Comer was part of the Galway team that won the 2016 Connacht Championship. He started all of the team's games as the county won its first Connacht title since 2008.