The Sisters of St Louis is a Roman Catholic religious order of nuns. It traces its origins back to France in 1797. It originally included men as well as women but subsequently became a women-only order. It is a small order with a total of 450 members distributed across branches in Ireland, France, Belgium, United States and Africa.
In Ireland the order was involved in the establishment of several schools. These included
However, the order has since withdrawn from involvement in these schools.