John Clare Billing ARCO (1866–1955) was an organist, composer and writer based in England.
He was born in 1866 in Stamford, Lincolnshire, and claimed descent from the poet John Clare's family. Billing was educated at Stamford School. He studied organ with Haydn Keeton at Peterborough Cathedral and also James Edward Adkins.
He taught at the Bluecoat School in Stamford and became an authority on local history, writing "Jottings" in the Stamford Mercury.
He composed