The watt is a unit of power named after Scottish engineer James Watt.

Watt or WATT may also refer to:

People Watt (surname), a surname (including a list of people with the name) Watt of Sussex, Anglo-Saxon king of Sussex who ruled between about AD 692 and 725 Watt Hobt (1893–1963), American college football and basketball coach Watt Sam (1876–1944), Native American/Natchez storyteller and cultural historian Watt W. Webb (1927–2020), American biophysicist Watt Key, a pen name of American fiction author Albert Watkins Key, Jr. (born 1970)

Places Watt, California, US, a former town in Madera County Morne Watt or Watt Mountain, Dominica Mount Watt, Victoria Land, Antarctica Watt Bay, George V Land, Antarctica Watt (crater), a crater on the Moon

Arts and entertainment Watt (album), an album by the English blues rock band Ten Years After Watt (novel), a book by Samuel Beckett

Other uses WATT System, technology for charging electric vehicles Watt Library, Greenock, Scotland El Tari International Airport (ICAO code: WATT), East Nusa Tenggara, Indonesia WATT, an AM radio station in Cadillac, Michigan, US , a French Navy submarine commissioned in 1910 and stricken in 1919

See also Watt balance, the former name of the Kibble balance, an electromechanical device for measuring weight Watt & Shand, a former department store in Lancaster, Pennsylvania, US WAT (disambiguation) WATS (disambiguation) Watts (disambiguation) What (disambiguation) Wot (disambiguation)