Gambrills refers to two neighboring places in Anne Arundel County, Maryland, United States, located in the Baltimore metro area: the unincorporated community of Gambrills, and the Gambrills census-designated place (CDP). The area was named after Augustine Gambrill, plantation owner. The population of the CDP was 2,800 at the 2010 census, up from 1,759 in 2000. Gambrills is served by routes 3, 32 and MARC, the Maryland commuter rail service. There is MARC station in the neighboring town of Odenton, with regular rail service to Baltimore and Washington.
The original village of Gambrills is located along Maryland Route 175 (Annapolis Road), 2 miles (3 km) southeast of the center of Odenton and extends south and southeast around Crofton.