| Patrick Gillespie | |
| Position: | Left fielder |
| Birth Date: | 30 November 1851 |
| Birth Place: | Carbondale, Pennsylvania |
| Death Place: | Carbondale, Pennsylvania |
| Bats: | Left |
| Throws: | Right |
| Debutleague: | MLB |
| Debutdate: | May 1 |
| Debutyear: | 1880 |
| Debutteam: | Troy Trojans |
| Finalleague: | MLB |
| Finaldate: | October 6 |
| Finalyear: | 1887 |
| Finalteam: | New York Giants |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat2label: | Hits |
| Stat3label: | Runs batted in |
| Stat1value: | .276 |
| Stat2value: | 809 |
| Stat3value: | 351 |
| Teams: |
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Peter Patrick Gillespie (November 30, 1851 – May 4, 1910) was a left fielder in Major League Baseball from to . Gillespie played for the Troy Trojans and New York Giants.
In 714 games over eight seasons, Gillespie posted a .276 batting average (809-for-2927) with 450 runs, 10 home runs and 351 RBI.