Feigenbaum is a German surname meaning "fig tree". Notable people with the surname include:
Armand V. Feigenbaum (1920–2014), American quality control expert B. J. Feigenbaum (1900–1984), American legislator and lawyer Clive Feigenbaum, stamp dealer Edward Feigenbaum (born 1936), American computer scientist known as the "father of expert systems" Eran Feigenbaum (born 1974), Israeli information security expert and mentalist Joan Feigenbaum (born 1958), American computer scientist Juliusz Feigenbaum (1872–1944), father of Polish record industry, founder of the company Syrena Record Mitchell Feigenbaum (1944–2019), American mathematical physicist William M. Feigenbaum (1886–1949), American politician from New York Yehoshua Feigenbaum (born 1947), Israeli footballer
See also Feigenbaum function Feigenbaum constants
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