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

Other uses

 * 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