| Mike O'Rourke | |
| Position: | Pitcher/Outfielder |
| Bats: | Unknown |
| Throws: | Unknown |
| Birth Date: | September 1, 1868 |
| Death Place: | Richmond, Virginia |
| Debutleague: | MLB |
| Debutdate: | September 1 |
| Debutyear: | 1890 |
| Debutteam: | Baltimore Orioles |
| Finalleague: | MLB |
| Finaldate: | October 15 |
| Finalyear: | 1890 |
| Finalteam: | Baltimore Orioles |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 1–2 |
| Stat2label: | Strikeouts |
| Stat2value: | 8 |
| Stat3label: | Earned run average |
| Stat3value: | 3.95 |
| Teams: |
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Michael Joseph O'Rourke (September 1, 1868 – March 3, 1934) was a Major League Baseball pitcher. He pitched for the Baltimore Orioles of the American Association in eight games during the 1890 baseball season.