Hollymount is a village on the R331 regional road in County Mayo, Ireland. It lies mid-way between the towns of Ballinrobe and Claremorris in the plains of South Mayo. It has a post office, a mini-mart, a community center (Cois Abhainn), a small fuel/petrol station, and various public houses. It also has a Gaelic Athletic Association pitch and health clinic. It has a population of approximately 60 residents and many more in the surrounding area.
It was named after the nearby Hollymount Estate, although the village lies within the townland of Kilush.