Lieutenant-General Sir John Wellesley Thomas, KCB (22 May 1822 – 6 February 1908) was a distinguished British military officer who served in Afghanistan, Australia, and China.

He was the commander of the British military and police forces that quelled the rebellion at the Eureka Stockade in Ballarat, Victoria, in 1854.

His decorations for those engagements included the clasps "Kandahar, Kabul, Ghuznee" and the bronze star for Maharajpur.

[2] Two years later, when being promoted to colonel,[3] he commanded the 67th Regiment and a brigade at the second capture of Khading in the Taiping Rebellion.

[5] In 1882, he was appointed to the colonelcy of the Hampshire Regiment,[6] and in 1904 was made a Knight Commander of the Order of the Bath.