Howatt is a surname. Notable people with the surname include:
Charlie Howatt, Green Party of Canada candidate in the 2006 Canadian federal electionCornelius Howatt (1810–1895), farmer and political figure in Prince Edward IslandGarry Howatt (born 1952), retired Canadian ice hockey forwardHubert Howatt (1867–1919), farmer and political figure on Prince Edward IslandJohn Howatt Bell (1846–1929), lawyer and politician from Prince Edward Island, 14th Premier of Prince Edward Island