Sir John Mordaunt, 9th Baronet

Sir John Mordaunt, 9th Baronet (24 August 1808 – 27 September 1845) was an English politician.

He was appointed High Sheriff of Warwickshire in 1833 and represented the constituency of South Warwickshire. from 1835 to 1845.

He was one of the Mordaunt Baronets, succeeding his father Sir Charles Mordaunt, 8th Baronet to the title. Upon his death, he was succeeded by his eldest son Sir Charles Mordaunt, 10th Baronet. His younger son was the cricketer John Mordaunt.