| Bill Mundy | |
| Width: | 200px |
| Position: | First baseman |
| Birth Date: | 28 June 1889 |
| Birth Place: | Salineville, Ohio |
| Death Place: | Kalamazoo, Michigan |
| Bats: | Left |
| Throws: | Left |
| Debutleague: | MLB |
| Debutdate: | August 17 |
| Debutyear: | 1913 |
| Debutteam: | Boston Red Sox |
| Finalleague: | MLB |
| Finaldate: | October 4 |
| Finalyear: | 1913 |
| Finalteam: | Boston Red Sox |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .255 |
| Stat2label: | Home runs |
| Stat2value: | 0 |
| Stat3label: | Runs batted in |
| Stat3value: | 4 |
| Teams: | |
William Edward Mundy (June 28, 1889 – September 28, 1958) was a first baseman in Major League Baseball in 1913. He batted and threw right-handed. Mundy appeared in sixteen games for the Boston Red Sox, recording a .255 batting average with four runs batted in in his only major league season.