| Joe Horgan | |
| Position: | Relief pitcher |
| Bats: | Left |
| Throws: | Left |
| Birth Date: | 7 June 1977 |
| Birth Place: | Sacramento, California, U.S. |
| Debutleague: | MLB |
| Debutdate: | June 12 |
| Debutyear: | 2004 |
| Debutteam: | Montreal Expos |
| Finalleague: | MLB |
| Finaldate: | April 23 |
| Finalyear: | 2005 |
| Finalteam: | Washington Nationals |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 4–1 |
| Stat2label: | Earned run average |
| Stat2value: | 5.48 |
| Stat3label: | Strikeouts |
| Stat3value: | 35 |
| Teams: | |
Joseph Paul Horgan (born June 7, 1977) is a former Major League Baseball pitcher.
Horgan was born in Sacramento, California. He played at Sacramento City College and graduated from Cordova High School.
He appeared in 47 games for the Montreal Expos in the season as a relief pitcher and had a record of 4–1 with an ERA of 3.15. He briefly played for the Washington Nationals during the season. He played his final season for the Triple-A Albuquerque Isotopes of the Pacific Coast League.