Robert Hamilton Hyatt
- Bats Left, Throws Right
- Height 6' 1", Weight 185 lb.
- Debut April 15, 1909
- Final Game September 2, 1918
- Born November 1, 1884 in Buncombe County, NC USA
- Died September 11, 1963 in Liberty Lake, WA USA
The book Stand and Deliver indicates that he had 57 pinch-hits in the majors. He played in the minors in 1916 and 1917 as well as for five years after his major league days. In addition to his playing career, he filled in for a couple of games as a National League umpire in 1912.