John Spiers (born 1975) is an English melodeon, concertina and bandoneón player. He was born in Birmingham. His father is a Morris dancer. He attended John Mason School in Abingdon, and then went on to study genetics at King's College, Cambridge. As a child he learned the organ and piano and when he was a university student he began to play the piano accordion and melodeon. After spending some time busking he started a new career selling melodeons. He now plays with the duo Spiers and Boden and the band Bellowhead, as well as being part of Eliza Carthy's band The Ratcatchers.