en Fats

Fats or FATS may refer to:

More than one type of fat, one of the three main macronutrients, along with carbohydrate and protein

People with the nickname "Fats"

Harmonica Fats (1927–2000), American blues harmonica player who was active in the 1950s through to the 1990s
Hollywood Fats (1954–1986), American blues guitarist, active in Los Angeles, California
Fats Dantonio (1918–1993), American Major League Baseball catcher
Alex Delvecchio (born 1931), Canadian hockey player
Fats Domino (1928–2017), American rock and roll singer and pianist
Fats Everett (1915–1969), American politician
Peter Fatialofa (1959–2013), Samoan rugby player
Bob Fothergill (1897–1938), American Major League Baseball player
Fats Heard (1923–1987), American jazz drummer
Fats Jenkins (1898–1968), American Negro leagues baseball and barnstorming basketball player
Frank Kalin (1917–1975), American Major League Baseball outfielder
Fats Kaplin, American fiddler
Anthony Lacen (1950–2004), American jazz tuba player and band leader nicknamed "Tuba Fats"
J. D. Lawrence (1903–1971), American college football player
Fats Navarro (1923–1950), American jazz trumpeter
Fats Pichon (1906–1967), American jazz pianist and singer
Alvin Roth (basketball), American basketball player
Fats Sadi (1927–2009), Belgian jazz musician
Fats Waller (1904–1943), American jazz pianist
Rudolf Wanderone (1913–1996), American billiards player

Fish acute toxicity syndrome, responses in fish resulting from a short-term, acute exposure to a lethal concentration of a toxicant
Foreign affiliate trade statistics, data detailing the economic operations of foreign direct investment-based enterprises

Minnesota Fats, a fictional character in the novels The Hustler and The Color of Money and the film adaptation of the former