Frank J. Wilson (May 19, 1886 – June 22, 1970) was the Chief of the United States Secret Service and a former agent of the Treasury Department's Bureau of Internal Revenue, later known as the Internal Revenue Service, most notably in the 1931 prosecution of Chicago mobster Al Capone and federal representative in the Lindbergh kidnapping case.
After a long career in law enforcement where he was instrumental in bringing to justice such criminals as Al Capone, he retired as Chief of the U.S. Secret Service in 1947.