Boswell's Corner is a census-designated place situated in Stafford County, Virginia, United States. As of the 2020 census, Boswell's Corner had a population of 1,656. It is located along U.S. Route 1 just outside the boundary of Marine Corps Base Quantico ("Boswell's Corner" itself is the intersection with Telegraph Road).
Boswell's Corner was first listed as a census designated place in the 2010 U.S. census.