William Scott Horne (July 23, 1936 – April 3, 2022) was an American politician and judge.
Horne was born in Easton, Maryland, and attended public schools in the area.
Before college, he attended The Bolles School in Jacksonville, Florida and the University of Maryland.
Horne first entered into politics in 1968 after being elected Assistant State's Attorney for Talbot County, Maryland, which he served from 1968 to 1971, and as the county's State's Attorney until 1973.
He then served as judge of the Talbot County Circuit Court from 1989 until his retirement in 2005.