Frank DuVal Hargrove, Sr. (January 26, 1927 – October 16, 2021) was an American politician. From 1982 to 2010 he served in the Virginia House of Delegates, representing the 55th district in the northeast suburbs of Richmond, in and around Hanover County. On January 26, 2009, Hargrove announced that he would not run for reelection.