| William J. Powell | |
| Office1: | United States Attorney for the Northern District of West Virginia |
| President1: | Donald Trump Joe Biden |
| Term Start1: | October 13, 2017 |
| Term End1: | February 28, 2021 |
| Predecessor1: | William J. Ihlenfeld II |
| Birth Place: | Manhasset, New York |
| Birth Date: | 14 July 1960[1] |
| Education: | Salem International University (B.A.) West Virginia University College of Law (J.D.) |
William J. Powell (born July 14, 1960) is an American attorney who served as the United States Attorney for the Northern District of West Virginia from 2017 to 2021.[2] Prior to assuming his current role, he was the Chief Deputy Prosecuting Attorney for the Jefferson County, West Virginia Prosecuting Attorney's Office. He was previously a member at the law firm of Jackson Kelly PLLC, where his practice focused on civil litigation and white-collar criminal law.[3] He also previously served as an Assistant United States Attorney in the Southern District of West Virginia, where he prosecuted major fraud and violent crimes.[4] Powell was recommended for the role of U.S. Attorney by U.S. Senator Shelley Moore Capito.[3] On February 8, 2021, he along with 55 other Trump-era attorneys were asked to resign.[5] Powell announced his resignation on February 10, effective February 28.[6]