| Jack Snyder | |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 6 October 1886 |
| Birth Place: | Lincoln, Pennsylvania |
| Death Place: | Brownsville, Pennsylvania |
| Debutleague: | MLB |
| Debutdate: | April 11 |
| Debutyear: | 1917 |
| Debutteam: | Brooklyn Robins |
| Finalleague: | MLB |
| Finaldate: | October 4 |
| Finalyear: | 1917 |
| Finalteam: | Brooklyn Robins |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .273 |
| Stat2label: | Home runs |
| Stat2value: | 0 |
| Stat3label: | Runs batted in |
| Stat3value: | 1 |
| Teams: |
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John William Snyder (October 6, 1886 in Lincoln, Pennsylvania – December 13, 1981 in Brownsville, Pennsylvania) was a professional baseball player who played the position of catcher in seven games for the 1917 Brooklyn Robins. At the time of his death, he was the oldest living former major league player.