| John Schappert | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | November 1853 |
| Birth Place: | Brooklyn, New York |
| Death Place: | Brooklyn, New York |
| Debutleague: | MLB |
| Debutdate: | May 3 |
| Debutyear: | 1882 |
| Debutteam: | St. Louis Brown Stockings |
| Finalleague: | MLB |
| Finaldate: | July 4 |
| Finalyear: | 1882 |
| Finalteam: | St. Louis Brown Stockings |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 8–7 |
| Stat2label: | Earned run average |
| Stat2value: | 3.52 |
| Stat3label: | Games pitched |
| Stat3value: | 15 |
| Teams: | |
John Schappert (November 1853 – July 27, 1917 in Brooklyn, New York) was a 19th-century professional baseball pitcher. Schappert pitched for the St. Louis Brown Stockings during the 1882 season. He pitched in 15 games, including 14 starts, and finished with a record of 8 wins and 7 losses.