Mount Melleray (Cnoc Mheilearaí in Irish) is a townland situated in the Knockmealdown Mountains near Cappoquin, Co. Waterford, Ireland.
It is home to Mount Melleray Abbey, a Cistercian monastery, the first such monastery to be built in Ireland after the Reformation.
A Scout centre run by Scouting Ireland, formerly Scouting Ireland (CSI) is also situated at Mount Melleray. The centre includes a museum documenting the history of Scouting in Ireland. The centre is made up of a small camping field adjoining a large dormitory centre which also contains a climbing wall. Mount Melleray hosted the last Melvin All Ireland Scoutcraft competition of Scouting Ireland (CSI) in 2003.