Douglas Craig Emhoff (born October 13, 1964) is an American lawyer who is the second gentleman of the United States. He is married to Kamala Harris, the 49th vice president of the United States. As the first husband of a vice president, Emhoff is the first Second Gentleman of the United States. He is also the first Jewish spouse of an American president or vice president. Harris is the Democratic Party's nominee for the 2024 US presidential election. If she wins, Emhoff will become the first First Gentleman of the United States.

Emhoff began his career as an entertainment lawyer. He was managing director of Venable's West Coast offices and later became a partner at DLA Piper. He is also a distinguished visiting professor at Georgetown University Law Center.