Lieutenant-General Robert Christopher Mansel KH (12 February 1789 – 8 April 1864) was a British Army officer.

Born the son of Sir William Mansel, 9th Baronet, Mansel was commissioned as an ensign in the 10th (North Lincoln) Regiment of Foot on 29 January 1807.

[1] He fought at the Battle of Toulouse in April 1814, where he was severely wounded, during the Peninsular War and was deployed to Ireland in 1848 during the Young Irelander Rebellion.

[1] He became General Officer Commanding South-Eastern District in 1857.

[2] He also served as colonel of the 68th (Durham) Regiment of Foot (Light Infantry) from 4 June 1857 until his death.