Rintoul is a surname. Notable people with the surname include:
Chad Rintoul (born 1974), Australian rules footballer Cole Rintoul (born 1982), Australian musician David Rintoul (born David Wilson, 1948), Scottish stage and television actor Douglas Rintoul, British playwright Gordon Rintoul (born 1955), Scottish museum director Harry Rintoul (1956–2002), Canadian playwright Ian Rintoul, Australian political activist Leonora Jeffrey Rintoul (1878–1953), Scottish ornithologist Robert Stephen Rintoul (1787–1858), British journalist Stuart Rintoul (born 1968), English cricketer Stuart Rintoul (journalist), Australian journalist and author, formerly on The Australian William Rintoul (1870–1936), British chemist