Mosey King (January 1, 1884 – December 10, 1956) was a New England lightweight boxing champion who became an assistant boxing coach at Yale in 1906 under Bill Dole and subsequently served as head coach for forty-six years.
King was also Connecticut's first boxing commissioner, serving from 1921 to 1923.
At Yale, he was a popular figure, and worked to familiarize members of the football team with boxing to improve their conditioning.