| James Cavanagh | |
| Position: | First baseman / Right fielder |
| Bats: | Unknown |
| Throws: | Unknown |
| Birth Date: | c. 1850 |
| Birth Place: | United Kingdom |
| Death Place: | Brooklyn, New York, U.S. |
| Debutleague: | MLB |
| Debutdate: | September 11 |
| Debutteam: | Brooklyn Eckfords |
| Finalleague: | MLB |
| Finaldate: | September 19 |
| Finalteam: | Brooklyn Eckfords |
| Statleague: | MLB |
| Stat1label: | Games played |
| Stat1value: | 5 |
| Stat2label: | At bats |
| Stat2value: | 23 |
| Stat3label: | Hits |
| Stat3value: | 6 |
| Teams: | |
James J. Cavanagh (c. 1850 – October 14, 1890) was a Major League Baseball first baseman and outfielder. Cavanagh was born in the United Kingdom. Cavanagh played for the Brooklyn Eckfords in 1872.[1] He died in Brooklyn, New York on October 14, 1890.