Dimitrios Negrepontis (25 March 1915 – June 1996), also Dimitrios Ioannis Negrepontis or Dmitri John Negroponte, was the first-ever Greek to participate in the winter Olympics alpine skier, coming from Greek diaspora.
He competed in the men's combined event at the 1936 Winter Olympics.His son John is an American diplomat and his son Nicholas is a computer scientist.