Gravel or Gravell is a surname. Notable people with the surname include:
Camille Gravel, 20th-century American political figure from Louisiana
John Gravel (born 1941), ice hockey player
Karl Mander Gravell, Canadian airman posthumously awarded the George Cross in 1941
Mike Gravel, former Senator from Alaska and 2008 presidential candidate
Ray Gravell, former Welsh rugby player
Raymond Gravel, Canadian political figure
Robert Gravel, 20th-century Canadian actor and theatre figure