Feingold is a surname that may refer to: Benjamin Feingold (1899–1982) Feingold diet, named after Benjamin David Sidney Feingold (1922–2019), an American biochemist and winner of the Israel Prize Eleanor Feingold, American statistical geneticist Kenneth Feingold (born 1952), American artist Leon Feingold (born 1973), American baseball player Marco Feingold (1913–2019), Austrian Holocaust survivor Michael Feingold (1945=2022), American critic, translator, lyricist, and playwright Russ Feingold (born 1953), American politician McCain-Feingold Bill, see Bipartisan Campaign Reform Act Sharon Feingold. American voice actress Surnames Jewish surnames Yiddish-language surnames