| Jack Rafter | |
| Position: | Catcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 20 February 1875 |
| Birth Place: | Troy, New York |
| Death Place: | Troy, New York |
| Debutleague: | MLB |
| Debutdate: | September 24 |
| Debutteam: | Pittsburgh Pirates |
| Finalleague: | MLB |
| Finaldate: | September 24 |
| Finalteam: | Pittsburgh Pirates |
| Statleague: | MLB |
| Stat1label: | Games played |
| Stat1value: | 1 |
| Stat2label: | At bats |
| Stat2value: | 3 |
| Stat3label: | Hits |
| Stat3value: | 0 |
| Teams: | |
John Cornelius "Jack" Rafter (February 20, 1875 – January 5, 1943) was a Major League Baseball catcher who played in with the Pittsburgh Pirates. In one game, he went hitless in three at-bats. He attended Fordham University.
He was born in and died in Troy, New York.