Mercer \m(e)-rcer, mer-cer\ as a boy's name (also used as girl's name Mercer), is pronounced MER-ser. It is of Middle English origin, and the meaning of Mercer is "storekeeper". Occupational name. Children's books author/illustrator Mercer Mayer; choreographer Merce Cunningham; musician Johnny Mercer.

Mercer has 1 variant form: Merce.