| 1889 Boston Beaneaters | |
|---|---|
| League | National League |
| Ballpark | South End Grounds |
| City | Boston, Massachusetts |
| Record | 83–45 (.648) |
| League place | 2nd |
| Owner | Arthur Soden |
| Manager | Jim Hart |
The 1889 Boston Beaneaters season was the 19th season of the franchise. The team finished second in the National League.