| Paddy O'Connor | |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 4 August 1879 |
| Birth Place: | County Kerry, Ireland |
| Death Place: | Springfield, Massachusetts, U.S. |
| Debutleague: | MLB |
| Debutdate: | April 17 |
| Debutyear: | 1908 |
| Debutteam: | Pittsburgh Pirates |
| Finalleague: | MLB |
| Finaldate: | July 22 |
| Finalyear: | 1918 |
| Finalteam: | New York Yankees |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .225 |
| Stat2label: | Home runs |
| Stat2value: | 0 |
| Stat3label: | Runs batted in |
| Stat3value: | 21 |
| Teams: |
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Patrick Francis O'Connor (August 4, 1879 – August 17, 1950) was an Irish born Major League Baseball player who played catcher from to . He played for the Pittsburgh Pirates, St. Louis Cardinals, New York Yankees, and Pittsburgh Rebels.