John de Cheverston, Captain of Calais, Seneschal of Gascony was a 14th-century English noble.
He was captain of Calais in 1347 and Seneschal of Gascony in 1350-1351, 1354 and 1362.
[1] He died c.1375, with his lands being inherited by his wife Joan's brother Philip de Courtenay.
Cheverston married firstly Thomasina and had issue, which little is known.
He married secondly Joan, daughter of Hugh de Courtenay, Earl of Devon and Margaret de Bohun, by whom he no issue.