William "Dolly" King (November 15, 1916 – January 29, 1969) was an American professional basketball and baseball player.

King was a multi-sport star at Long Island University during the late 1930s, playing basketball, baseball, and football.

[1] After college, King played several seasons of professional basketball with the all-black New York Renaissance[2][3] before Lester Harrison signed him to the NBL's Rochester Royals in 1946.

In 1992 his legacy was honored by the basketball family of New York with his induction into the newly formed New York City Basketball of Fame where he is enshrined together with his Scranton Minors teammates William "Pop" Gates, and Eddie Younger as well as his primary coaches Claire Bee and Red Sarachek.

This biographical article relating to a United States basketball player, coach, or other figure born in the 1910s is a stub.