Grimball is a surname. Notable people with the surname include:
Elizabeth B. Grimball (1875-1953), American theatrical and film producer John Grimball ( 1945), decorated American soldier John A. Grimball (died 1867), American politician from Mississippi
See also Paul Grimball House Ruins, archaeological site in South Carolina, United States Battle of Grimball's Landing, 1863 battle at James Island, South Carolina Battle of Grimball's Causeway, 1865 battle at James Island, South Carolina