What is "houstoun"

Houstoun is a surname. Notable people with the surname include:

• John Houstoun (1744 – 1796), American lawyer and statesman from Savannah, Georgia
• Dr. William Houstoun (botanist) (1695–1733), British surgeon and botanist
• William Houstoun (lawyer) (1755–1813), American lawyer, Continental Congressman for Georgia
• Sir William Houstoun ( fl. 1830s), British army officer, Governor of Gibraltar