Supply Belcher Sheet Music
- Born: 29th March 1751
- Died: 9th June 1836
- Birthplace: Stoughton, Massachusetts, USA
Supply Belcher was an American composer, singer, and compiler of tune books. He was one of the members of the so-called First New England School, a group of mostly self-taught composers who created sacred vocal music for local choirs. He was active first in Lexington, Massachusetts, then eventually moved to Farmington, Maine.