| Alexander Nevin | |
| Position: | Third Baseman |
| Bats: | Unknown |
| Throws: | Unknown |
| Birth Date: | October 3, 1850 |
| Birth Place: | Allegheny City, Pennsylvania, U.S. |
| Death Place: | Pensacola, Florida, U.S. |
| Debutleague: | MLB |
| Debutdate: | May 6 |
| Debutyear: | 1873 |
| Debutteam: | Elizabeth Resolutes |
| Finalleague: | MLB |
| Finaldate: | July 23 |
| Finalyear: | 1873 |
| Finalteam: | Elizabeth Resolutes |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .208 |
| Stat2label: | Home runs |
| Stat2value: | 0 |
| Stat3label: | RBIs |
| Stat3value: | 2 |
| Teams: | |
Alexander Brown Nevin (October 3, 1850 – October 10, 1921) was a 19th-century American Major League Baseball player.