Mícheál Breathnach is a Gaelic Athletic Association club based in County Galway, Republic of Ireland.

Underage teams up to U-16's play in the Galway league and championships while further age groups compete in their respective competitions.

Na Breathnaigh compete in the Galway Senior Football Championship yet they have not won the competition in their history.

Na Breathnaigh's Hurling squad represent Ireland in the Iomain Cholmcille shinty/hurling international for Gaelic speakers.

[1][failed verification] The club is named after Irish-language writer, Mícheál Breathnach, who was connected to the area.