George B. Radbourn (April 8, 1856 – January 1, 1904) was a Major League Baseball pitcher.
Radbourn played for the Detroit Wolverines in 1883.
In 3 career games, he had a 1–2 record with a 6.55 ERA.
Radbourn was born and died in Bloomington, Illinois.
This biographical article relating to an American baseball pitcher born in the 1850s is a stub.