| Paul Castner | |
| Position: | Pitcher |
| Bats: | Left |
| Throws: | Left |
| Birth Date: | February 16, 1897 |
| Birth Place: | Saint Paul, Minnesota |
| Death Place: | Saint Paul, Minnesota |
| Debutleague: | MLB |
| Debutdate: | August 6 |
| Debutyear: | 1923 |
| Debutteam: | Chicago White Sox |
| Finalleague: | MLB |
| Finaldate: | October 2 |
| Finalyear: | 1923 |
| Finalteam: | Chicago White Sox |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 0–0 |
| Stat2label: | Strikeouts |
| Stat2value: | 0 |
| Stat3label: | Earned run average |
| Stat3value: | 6.30 |
| Teams: |
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Paul Henry Castner (February 16, 1897 – March 3, 1986) was a professional baseball pitcher. He appeared in six games in Major League Baseball for the Chicago White Sox in 1923, all in relief. In 10 innings pitched, Castner gave up 14 hits and 5 walks without striking out a batter.
Castner was an alumnus of the University of Notre Dame.[1]