| Pat O'Connell | |
| Position: | Center fielder |
| Bats: | Left |
| Throws: | Right |
| Birth Date: | June 10, 1861 |
| Birth Place: | Bangor, Maine |
| Death Place: | Lewiston, Maine |
| Debutleague: | MLB |
| Debutdate: | July 22 |
| Debutyear: | 1886 |
| Debutteam: | Baltimore Orioles |
| Finalleague: | MLB |
| Finaldate: | September 9 |
| Finalyear: | 1886 |
| Finalteam: | Baltimore Orioles |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .181 |
| Stat2label: | Home runs |
| Stat2value: | 0 |
| Stat3label: | Runs batted in |
| Stat3value: | 8 |
| Teams: |
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Patrick H. O'Connell (June 10, 1861 – January 24, 1943) was an American professional baseball center fielder. He played for the Baltimore Orioles of the American Association during the 1886 baseball season. He continued to play in the minor leagues through 1895. He is buried in Mount Hope Cemetery in Lewiston, Maine.