Mainer may refer to:
Mainer (American), a person from Maine Mainer (magazine), an alternative magazine published in Portland, Maine, now known as The Bollard Mainer, the people of U.S. state Maine Martin Mainer (born 1959), Czech artist and professor J. E. Mainer (19081971), American old time fiddler Wade Mainer (19072011), American singer and banjoist