John Winchcombe

John Winchcombe may refer to:


 * John Winchcombe (traditionally known as Jack O'Newbury; c.1489–1557), clothier and MP for Cricklade and Great Bedwyn
 * John Winchcombe (died 1574) (1519-1574), MP for Reading, Ludgershall and Wootton Bassett, son of the above