| Andy O'Connor | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | September 14, 1884 |
| Birth Place: | Roxbury, Massachusetts |
| Death Place: | Norwood, Massachusetts |
| Debutleague: | MLB |
| Debutdate: | October 6 |
| Debutteam: | New York Highlanders |
| Finalleague: | MLB |
| Finaldate: | October 6 |
| Finalteam: | New York Highlanders |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 0–1 |
| Stat2label: | Strikeouts |
| Stat2value: | 5 |
| Stat3label: | ERA |
| Stat3value: | 10.13 |
| Teams: |
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Andrew James O'Connor (September 14, 1884 - September 26, 1980) was a Major League Baseball pitcher. O'Connor played for the New York Highlanders in . In 1 career game, he had a 0–1 record, with a 10.13 ERA. He batted and threw right-handed.
O'Connor was born in Roxbury, Massachusetts, and died in Norwood, Massachusetts.