William Alexander McGilvray
- Bats Left, Throws Left
- Height 6' 0", Weight 160 lb.
- School Stanford University
- High School West High School (Denver)
- Debut April 17, 1908
- Final Game April 27, 1908
- Born April 29, 1883 in Portland, OR USA
- Died May 23, 1952 in Denver, CO USA
Bill McGilvray played just two games for the Cincinnati Reds in 1908. In these two games, he was 0 for 2. However, he had a lengthy minor league career, twice winning batting titles: in the Western League in 1906, with the Pueblo Indians, and in 1909 in the Southern Association with the Birmingham Barons.