| 1891 Baltimore Orioles | ||
|---|---|---|
| League | American Association | |
| Ballpark | Union Park | |
| City | Baltimore, Maryland | |
| 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.