| Jack Cummings | |
| Position: | Catcher and pinch hitter |
| Birth Date: | 1 April 1904 |
| Birth Place: | Pittsburgh, Pennsylvania |
| Death Place: | West Mifflin, Pennsylvania |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | MLB |
| Debutdate: | September 11 |
| Debutyear: | 1926 |
| Debutteam: | New York Giants |
| Finalleague: | MLB |
| Finaldate: | July 18 |
| Finalyear: | 1929 |
| Finalteam: | Boston Braves |
| Statyear: | 1929 |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .341 |
| Stat2label: | Hits |
| Stat2value: | 45 |
| Stat3label: | Runs batted in |
| Stat3value: | 28 |
| Stat4label: | Home runs |
| Stat4value: | 4 |
| Teams: | |
John William Cummings (April 1, 1904 in Pittsburgh, Pennsylvania – October 5, 1962 in West Mifflin, Pennsylvania), was a Major League Baseball player who played catcher for the Boston Braves and New York Giants from to .
In 89 games over 4 seasons, Cummings posted a .341 batting average (45-for-132) with 15 runs, 4 home runs and 28 RBI.