| Birthname: | Andrew Baker Willison |
| Birth Date: | 4 October 1965 |
| Birth Place: | Mount Vernon, Ohio, U.S. |
| Order: | 39th |
| Office: | Sergeant at Arms and Doorkeeper of the United States Senate |
| Term Start: | May 5, 2014 |
| Term End: | January 5, 2015 |
| Leader: | Harry Reid |
| Preceded: | Terrance W. Gainer |
| Succeeded: | Frank J. Larkin |
| Alma Mater: | College of William & Mary Ohio State University George Washington University |
Andrew Baker "Drew" Willison (born October 4, 1965) was the 39th sergeant at arms of the United States Senate[1] from May 5, 2014, until January 5, 2015. Originally from the central Ohio area, Willison graduated from Greensville County High School in Emporia, Virginia, and attended the College of William & Mary, receiving his undergraduate degree in government. Willison went on to receive his master's degree in public administration from Ohio State University. Willison also has a law degree from the George Washington University Law School.