A hat is an item of clothing worn on the head.
Hat or HAT may also refer to:
Film The Hat (film), a 1999 short film by Michèle Cournoyer The Hat, a 1912 film by Rollin S. Sturgeon The Hat, a 1963 film by Faith Hubley and John Hubley
Mathematics Hat matrix, a mathematical operation in statistics Hat operator, notation used in mathematics Hat function, alternate name for the triangular function The hat tile, a solution to the einstein problem
Organisations Handball Association of Thailand, governing body of handball in Thailand Hutchison Asia Telecom Group, a business division in telecommunications Hellenic Aeronautical Technologies, a Greek aeroplane manufacturer Helicopter Air Transport, a defunct American helicopter operator
People Hat (High Priest of Osiris), the high priest of Osiris during the 19th dynasty of Ancient Egypt Jack McVitie (1932–1967), known as Jack "The Hat", English gangster Les Miles (born 1953), known as The Hat, American football coach Jan Åge Solstad (born 1969), known as Hat, former vocalist for the Norwegian black metal band Gorgoroth
Places Hať, Moravian-Silesian Region, Czech Republic Hat, Azerbaijan Hat, Nepal Hat, Berehove Raion, Ukraine Hat District, Al Mahrah Governorate, Yemen Hat Island (disambiguation)
Science Human African trypanosomiasis (sleeping sickness) HAt, symbol for hydrogen astatide Histone acetyltransferase, an enzyme class HAT medium, used in microbiology and immunology, for example in culturing hybridoma cells Hungarian-made Automated Telescope, used in the HATNet Project
Technology Hardware Attached on Top, expansion board format for the Raspberry Pi computer. Hashed array tree, in computer programming. Help authoring tool, software for "help" documents.
Other uses , an Afrikaans dictionary Haitian Creole language, with ISO 639-2 and 639-3 code hat Hat, slang for the caret (computing) (^) Hat, slang for the circumflex (ˆ) Hat (Davy Graham album), released in 1969 Hat. (Mike Keneally album), released in 1992 History Aptitude Test, an admissions test at Oxford University The Hat, a Southern California fast-food restaurant The Hat (book), a children's book by Tomi Ungerer Hat (comics), a supervillain from DC Comics "The Hat", an episode of Homicide: Life on the Street (season 4) "The Hat", an episode of Wander Over Yonder Hi-hat (instrument), a standard part of a drum kit Short for hatnote - WP:HAT (disambiguation)
See also Hats (disambiguation) Hatt (disambiguation) Het (disambiguation) Hett (disambiguation) Mr. Hat