Robert Fulton Williams
- Bats Right, Throws Left
- Height 6' 2", Weight 174 lb.
- School Amherst College
- Debut July 15, 1940
- Final Game April 22, 1946
- Born March 18, 1917 in Montclair, NJ USA
- Died September 16, 1999 in Fort Myers, FL USA
Ace Williams pitched for the Boston Braves briefly in 1940 before serving in the Navy during World War II. After the war, he returned to the Braves, appearing in one game in 1946. Ace also spent three seasons in the minors, producing a 23-31 record, while appearing in 86 games. He never had a winning season.