Dille is a surname. Notable people with the surname include:
A. B. Dille, American football and basketball player and coach Bob Dille (1917–1998), American basketball player and coach Flint Dille (born 1955), American screenwriter and video game designer Steve Dille (1945–2020), American veterinarian and politician Willie Dille (1965–2018), Dutch politician
See also Dille, West Virginia, unincorporated community Ad-Dilli, older name of this Syrian town