Houstoun

Houstoun is a surname, and

John Houstoun (1744-1796), American politician, member of the Continental Congress
Patrick Houstoun (1630-1696), American Freemasons
William Houstoun (physician) ( 1695-1733 ), British physician and botanist
William Houstoun ( politician ) ( 1755-1813 ), American politician, member of the Continental Congress