Merna may refer to the following people:
Given name Merna Barry (born Minnie Bagelman; 1923–1976), American entertainer Merna Kennedy (1908–1944), American actress Merna Mohsen (born 1996), Egyptian footballer Merna Summers (born 1933), Canadian short story writer
Surname Gemma Merna (born 1984), English actress
Arts and entertainment Merna is the name of the main character of the 1928 film The Circus by Charlie Chaplin.
See also Mirna Myrna