Garret Ahearn (born 1980) is an Irish Fine Gael politician who has been a senator for the Administrative Panel since April 2020.

[2] He is the Fine Gael Seanad spokesperson on Enterprise and Trade.

He is vice-chair of the Oireachtas Joint Committee on Enterprise, Trade and Employment.

[3] Prior to becoming a senator, he was a member of Tipperary County Council from 2019 to 2020.

He is the son of Theresa Ahearn, who served as a Fine Gael TD for the Tipperary South constituency from 1989 to 2000.