Tabb is an unincorporated community in York County, Virginia, United States, on the Virginia Peninsula. Major roads include U.S. Route 17 and State Route 134 (Hampton Highway, which continues as Magruder Boulevard in Hampton).The community was named for Mary Octavia Tabb who served as postmaster from 21 December 1893 until early 1910, as per National Archives and Records Administration. It is home to Tabb High School, one of four high schools in York County.