| Mike Kilroy | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 4 November 1869 |
| Birth Place: | Philadelphia, Pennsylvania |
| Death Place: | Philadelphia, Pennsylvania |
| Debutleague: | MLB |
| Debutdate: | September 1 |
| Debutteam: | Baltimore Orioles |
| Finalleague: | MLB |
| Finaldate: | May 8 |
| Finalteam: | Philadelphia Phillies |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 0–3 |
| Stat2label: | Earned run average |
| Stat2value: | 9.00 |
| Stat3label: | Strikeouts |
| Stat3value: | 4 |
| Teams: | |
Michael Joseph Kilroy (November 4, 1869 – October 2, 1960) was a Major League Baseball pitcher. He was the brother of Matt Kilroy. Kilroy played two seasons in the Majors, with the Baltimore Orioles in and the Philadelphia Phillies in . He pitched four career games with an 0–3 record and an ERA of 9.00. His brother, Matt, also played in the majors.