Sir John Young (by 1519 – 4 September 1589), of The Great House, Bristol, of London and of Melbury Sampford, Dorset, was an English politician.
He was the eldest surviving son of Hugh Young (d.1534) of Bristol and of Castle Combe in Wiltshire by his wife Alice, of unrecorded family.
He was a member of parliament for Old Sarum, Wiltshire, in 1547 and 1571, for Plymouth, Devon, in 1555, for Devizes, Woltshire, in 1559, and for West Looe, Cornwall, in 1563. He served as Sheriff of Dorset for 1569–70 and was a Justice of the Peace for Dorset and Somerset from c.1573. He was knighted in 1574 by Queen Elizabeth I when on her progress into Wales she stayed as his guest at the Great House in Bristol, his mansion on the site of the dissolved Carmelite Friary (alias the Grey Friars, at St. Augustine's Back, later the site of Colston Hall). "On her arrival she was met at Lafford's Gate by the mayor and aldermen on horseback in state, and was conducted with much ceremony and mas querade to the house of Mr. John Yonge. Here the Queen kept her Court from the 14th to 20 August inclusive". Sir John began construction of the house in 1568. The only surviving part of the estate today is the Red Lodge, completed by his widow in 1590, which is open today (2016) as the Red Lodge Museum, Bristol.
He married Joan Wadham (1533-14 June 1603), widow of Sir Giles Strangways (d. 1562), MP, of Melbury Sampford in Dorset, a daughter of John Wadham (d.1578) of Merryfield in the parish of Ilton in Somerset and of Edge, Branscombe in Devon, and a sister and co-heiress of Nicholas Wadham (1531–1609), co-founder of Wadham College, Oxford. By his wife he had a son and two daughters as follows: