| Edward N. Gadsby | |
| Office: | Chairman of the U.S. Securities and Exchange Commission |
| President: | Dwight D. Eisenhower John F. Kennedy |
| Term Start: | August 20, 1957 |
| Term End: | March 26, 1961 |
| Predecessor: | J. Sinclair Armstrong |
| Successor: | William L. Cary |
| Birthname: | Edward Northup Gadsby |
| Birth Date: | 11 April 1900 |
| Birth Place: | North Adams, Massachusetts, U.S. |
| Death Place: | Boston, Massachusetts, U.S. |
| Alma Mater: | Amherst College New York University School of Law |
| Spouse: | Isabelle Halsey |
| Children: | 2 |
| Occupation: | Lawyer and appointed United States government official |
Edward N. Gadsby served as chairman of the U.S. Securities and Exchange Commission between 1957 and 1961.