Captain Howell Davis (or Hywel) (or Davies) (ca. 1690 – 19 June 1719) was a Welsh pirate. His piratical career lasted just 11 months, from 11 July 1718 to 19 June 1719, when he was ambushed and killed. His ships were the Cadogan, Buck, King James, and Rover. Davis captured 15 known English and French ships.