| Gene Moriarty | |
| Position: | Outfielder |
| Bats: | Left |
| Throws: | Left |
| Birth Date: | January 6, 1863 |
| Birth Place: | Holyoke, Massachusetts, U.S. |
| Death Place: | St. Louis, Missouri, U.S. |
| Debutleague: | MLB |
| Debutdate: | June 18 |
| Debutyear: | 1884 |
| Debutteam: | Boston Beaneaters |
| Finalleague: | MLB |
| Finaldate: | October 15 |
| Finalyear: | 1892 |
| Finalteam: | St. Louis Browns |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .152 |
| Stat2label: | Home runs |
| Stat2value: | 3 |
| Stat3label: | Runs batted in |
| Stat3value: | 23 |
| Teams: |
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Eugene John Moriarty (January 6, 1863 - May 18, 1904) was an American Major League Baseball outfielder. He played in the major leagues in 1884, 1885, and 1892. He also played in the minors from 1884 to 1892.