St Mullins is a village, civil parish and townland on the eastern bank of the River Barrow in the south of County Carlow, Ireland. A smaller part of the civil parish is in County Wexford. The village

Saint Mo Ling, also named Moling Luachra, was the second Bishop of Ferns in Ireland and has been said to be "one of the four great prophets of Erin". He founded a monastery at St Mullin's, County Carl