Mount St. Joseph Abbey is an abbey of the Trappist branch of the Cistercians located in County Offaly, near Roscrea, County Tipperary in Ireland.

The abbey was founded in 1878 by a group of 32 monks from Mount Melleray Abbey, County Waterford, a number of years earlier Arthur John Moore MP of County Tipperary visited Mt Melleray petitioning for it.

[1] Mount St. Joseph contains several stained glass windows created by Harry Clarke or his studios.

[2] Three foundations have been made from Mount Saint Joseph - Nunraw (Scotland) [3] in 1946, Tarrawarra (Australia) in 1954, and Bolton Abbey, Moone,[4] (County Kildare) in 1964.

Nationalist, MP, Catholic and Home Rule supporter Count Arthur John Moore, who donated the 600-acre property and buildings to the Cistercians, where the abbey and college are, is buried in Mount St Joseph.