Luther Orlando Emerson was an American musician, composer and music publisher.
Emerson was born in Parsonsfield, Maine on August 3, 1820. He attended Parsonsfield Seminary and Effingham Academy, originally planning to be a doctor. Later he studied music under Isaac Woodbury. He taught for eight years in Salem, Massachusetts. He then served as organist and musical director in various churches in Massachusetts, and was the director of about 300 musical festivals and conventions.
Emerson died September 29, 1915 and is buried in the Mt. Auburn Cemetery in Cambridge, Massachusetts.