Doon may refer to:
Arts and entertainment "Doon" (lai), a 13th-century Breton lai Doon de Mayence, a fictional hero of the Old French chansons de geste Doon Harrow, a main character in the series Books of Ember National Lampoon's Doon, a novel by Ellis Weiner, parodying Frank Herbert's Dune
People Doon Arbus (born 1945), American writer and journalist Doon Mackichan (born 1962), British actress and comedian
Places India Doon (Vidhan Sabha constituency), Himachal Pradesh Doon Valley, a valley in the Sivalik foothills of the Himalayas
Ireland Doon, County Cavan, three townlands, including: Doon (Drumreilly) Doon (Tomregan) Doon, County Limerick, a village Doon, County Offaly, a village Doon, County Westmeath, a townland in Lickbla civil parish
Scotland Loch Doon River Doon
United States Doon, California, a settlement on the defunct Butte County Railroad Doon, Iowa
Elsewhere Doon, Ontario, Canada, a neighbourhood of Kitchener Doon, Iran, a village in Hormozgan Province Doon River, New Zealand Doon, County Londonderry, a townland in County Londonderry, Northern Ireland Doon, a crater on Mars
Schools Doon Academy, a secondary school in Dalmellington, Scotland Doon International School (disambiguation), three schools in India Doon University, in Dehradun, Uttarakhand, India The Doon School, a private boarding school in Dehradun, Uttarakhand, India
Other uses Doon GAA, a Gaelic Athletic Association club in Doon, County Limerick, Ireland HMS Doon, three ships of the British Royal Navy
See also Doone, a surname Dun (disambiguation) Dune (disambiguation) Dhoon, a 1953 Indian film