William Kingsmill alias William Basyng (?–1549) was Prior of St. Swithun's Priory, Winchester until the Dissolution of the Monastery in 1539; it was a Benedictine monastic house and its shrine to the saint popularly associated with determining the entire period of pre-harvest weather was a place of pilgrimage. He was appointed as the first Dean of Winchester Cathedral at the foundation of the new chapter in 1541.