| Bill Bayne | |
| Position: | Pitcher |
| Birth Date: | 18 April 1899 |
| Birth Place: | Pittsburgh, Pennsylvania, U.S. |
| Death Place: | St. Louis, Missouri, U.S. |
| Bats: | Left |
| Throws: | Left |
| Debutleague: | MLB |
| Debutdate: | September 20 |
| Debutyear: | 1919 |
| Debutteam: | St. Louis Browns |
| Finalleague: | MLB |
| Finaldate: | April 26 |
| Finalyear: | 1930 |
| Finalteam: | Boston Red Sox |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 31-32 |
| Stat2label: | Earned run average |
| Stat2value: | 4.84 |
| Stat3label: | Strikeouts |
| Stat3value: | 259 |
| Teams: | |
William Lear "Beverly" Bayne (April 18, 1899 – May 22, 1981) was an American Major League Baseball pitcher with the St. Louis Browns, Cleveland Indians and the Boston Red Sox between 1919 and 1930. Bayne batted and threw left-handed. He was born in Pittsburgh, Pennsylvania.
In a nine-season career, Bayne posted a 31–32 record with 259 strikeouts and a 4.84 earned run average in 662.0 innings pitched.
As a hitter, Bayne was better than average, posting a .290 batting average (62-for-214) with 24 runs, 1 home run and 13 RBI in 199 games pitched.
In baseball lore, Bayne is known for being the man who struck out the only man (Bob Fothergill,) who ever pinch-hit for Ty Cobb
Bayne died in St. Louis, Missouri, at the age of 82.