Lieutenant-Colonel John Clement Wallington (25 July 1790 – 25 August 1872) was an English cricketer and soldier.

[1] Wallington joined the 10th Hussars, then known as the 10th (Prince of Wales's Own Royal) Regiment of Light Dragoons, on 21 October 1813, becoming a cornet.

He was promoted to lieutenant on 27 December 1814, and fought at the battles of Quatre Bras and Waterloo in the Hundred Days campaign.

Harris was badly injured and left on the battlefield, where Wallington found him the day afterward.

[2] Wallington's regiment subsequently returned to England, where for several years it was based on the south coast fighting smuggling operations.