John Hargrove may refer to:
John R. Hargrove Sr. (1923–1997), first African-American appointed assistant US Attorney for District of Maryland John Hargrove (orca trainer) (born 1973), American trainer of killer whales
See also John Hardgrove (1836–1928), member of the Wisconsin State Assembly John Hargrave (disambiguation) John Hargreaves (disambiguation) Hargrove (surname)