Our Lady of Mercy College (or O.L.M.C) is the name of several Roman Catholic schools around the world.

Australia:

• Our Lady of Mercy College, Australind, WA.
• Our Lady of Mercy College, Burraneer, NSW.
• Our Lady of Mercy College, Heidelberg, Vic.
• Our Lady of Mercy College, Parramatta, NSW.
• Our Lady of Mercy College, Mackay, Qld.

Ireland:

• Our Lady of Mercy College, Carysfort, Dublin

Philippines:

• Bacolod Our Lady of Mercy College, Bacolod City

Australian schools formed by merging with an 'Our Lady of Mercy College':

• Red Bend Catholic College, Forbes, NSW (Our Lady of Mercy College, Forbes, and Our Lady of Mercy High School, Parkes)
• Trinity Catholic College, Goulburn, NSW