Henry Wellesley, 3rd Duke of Wellington (5 April 1846 – 8 June 1900) was a British peer and Conservative Party politician.

He joined the 2nd Battalion, Grenadier Guards as an ensign on 16 May 1865, was promoted to major on 1 July 1881, and retired from the service on 28 June 1882.

Subsequently, his sisters Victoria and Mary were granted the rank of daughters of a Duke.

He was special ambassador to Spain for the funeral of Alfonso XII in 1885, and chairman of the Society for the Suppression of Mendicity.

[3] In her memoirs, Lady Angela Forbes comments that "The Duke was the fattest man I have ever seen, and went by the nickname of "Spurgeon".