| 1887 Pittsburgh Alleghenys | |
|---|---|
| League | National League |
| Ballpark | Recreation Park |
| City | Allegheny, Pennsylvania |
| Owner | William A. Nimick |
| Manager | Horace B. Phillips |
The 1887 Pittsburgh Alleghenys season was the sixth season of the Pittsburgh Alleghenys franchise and its first in the National League, where they remain to this day. The Alleghenys finished sixth in the standings with a record of 55–69.