Feingold is a surname that may refer to:
- Benjamin Feingold
- Feingold diet, named after Benjamin
- David Sidney Feingold, an American biochemist and winner of the Israel Prize
- Jeffrey S. Feingold, Investment manager
- Kenneth Feingold
- Leon Feingold
- Russ Feingold, U.S. Senator
- McCain-Feingold Bill, see Bipartisan Campaign Reform Act
- Sharon Feingold
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