Le Ribay () is a commune in the Mayenne department in north-western France.
The commune is made up of the following collection of villages and hamlets, La Champonnière, Le Grand Aunay, Chauvallon, Le Plessis, Le Ribay, La Hayère, La Faburais, La Baumerie, La Touche, La Laire and Les Bas Bois.