John Mowbray
John Mowbray or John de Mowbray may refer to:
People
- John de Mowbray, 2nd Baron Mowbray, Lord of Tanfield and Well, Yorkshire and Governor of York
- John de Mowbray, 3rd Baron Mowbray, only son of the 2nd Baron Mowbray
- John de Mowbray, 4th Baron Mowbray, knighted by King Edward III and died en route to the Holy Land
- John de Mowbray, 1st Earl of Nottingham, elder son of the 4th Baron Mowbray
- John Mowbray, 2nd Duke of Norfolk, also Baron Segrave, Baron Mowbray and Earl Marshal of England
- John Mowbray, 3rd Duke of Norfolk, active during the Wars of the Roses for the Yorkists and Lancastrians
- John de Mowbray, 4th Duke of Norfolk, only son of the 3rd Duke, laid siege to Caister Castle in 1469
- Sir John Mowbray, 1st Baronet, British Conservative politician and MP
- John Mowbray (rugby league), Australian rugby league footballer
- John Code Mowbray, Justice of the Supreme Court of Nevada
- John Mowbray of Barnbougle, Scottish landowner and supporter of Mary, Queen of Scots
Pen names
- John Mowbray, a pseudonym used for 13 novels by juvenile fiction author Gunby Hadath
- John Mowbray, a pseudonym used for Call in the Yard by crime and thriller writer John Haslette Vahey