James G. Millns Jr. (born January 13, 1949) is an American former competitive ice dancer. With partner Colleen O'Connor, he was the 1974-1976 U.S. national champion, the 1975 World silver medalist, the 1976 World bronze medalist, and the 1976 Olympic bronze medalist.

They were inducted into the United States Figure Skating Hall of Fame in 1993.