1891 Baltimore Orioles season
| 1891 Baltimore Orioles | |
|---|---|
| League | American Association |
| Ballpark | Union Park |
| City | Baltimore, Maryland |
| Record | 71–64 (.526) |
| League place | 3rd |
| Owner | Harry Von der Horst |
| Manager | Billy Barnie |
In their last season in the American Association, the 1891 Baltimore Orioles finished in fourth place (third among teams that played a full schedule) with a record of 71–64. After the season, the AA folded, and the Orioles joined the National League.