Thornhill may refer to:
People Thornhill (surname)
Artists Thornhill (band)
Places Canada Thornhill, British Columbia Thornhill, Maple Ridge, British Columbia Thornhill, Nova Scotia Thornhill, Ontario Thornhill (federal electoral district) Thornhill (provincial electoral district) Markham—Thornhill (electoral district)
South Africa Thornhill, Kouga, Eastern Cape Thornhill, Enoch Mgijima, Eastern Cape
United Kingdom Thornhill, Cardiff, Wales Thornhill, Cumbria, England Thornhill, Derbyshire, England Thornhill, Dumfries and Galloway, Scotland Thornhill, Southampton, England Thornhill, Stirling, Scotland Thornhill, Torfaen, Cwmbran, Wales Thornhill, West Yorkshire, England Thornhill Trojans, amateur rugby league club, Thornhill, West Yorkshire Thornhill, Wiltshire, England Thornhill Lees, Dewsbury, West Yorkshire, England
United States Thornhill (Forkland, Alabama), a historic plantation listed on the National Register of Historic Places Thornhill (Talladega, Alabama), a historic plantation listed on the National Register of Historic Places Thornhill, Kentucky
Zimbabwe Gweru-Thornhill Air Base, formerly Rhodesian Air Force Station Thornhill
Other uses Thornhill (album), 1999 Moxy Früvous album Thornhill was the name of a play that John Cassavetes and others were developing in 1983, about Eugene O'Neill Thornhill College, Derry, Northern Ireland Thornhill Academy, Sunderland, England Thornhill Community Academy, West Yorkshire, England Thornhill Secondary School, Ontario, Canada
See also Thorn Hill, a historic home located near Lexington, Rockbridge County, Virginia Thorn Hill, Tennessee