Lieutenant-Colonel Andrew Clarke KCH (1793 – 11 February 1847) was Governor of Western Australia from 1846 until his death in 1847.

He entered the British Army as an ensign in the 8th West India Regiment (without purchase) at the age of 13 in 1806, and rose rapidly through the ranks.

He returned to Europe in 1833, was created a knight of the Royal Hanoverian Guelphic Order in 1837, was promoted to lieutenant-colonel in the Army in 1838, and purchased the lieutenant-colonelcy of his regiment in 1839.

In 1842 Colonel Clarke took his regiment to the West Indies and was appointed Lieutenant-Governor of St. Lucia, which he left in 1844.

In the following year he exchanged into the 41st Foot and was appointed Governor of Western Australia, where he arrived on 26 January 1846.