Iron & Oil Association
| Classification | Independent (1884) |
|---|---|
| Sport | Minor League Baseball |
| First season | 1884 |
| Ceased | 1884 |
| President | Horace G. Miller (1884) |
| No. of teams | 8 |
| Country | United States of America |
| Most titles | 1 Franklin (1884) |
The Iron & Oil Association was a six–team Minor League Baseball league that operated in 1884. The league franchises were based in Ohio and Pennsylvania. The league folded following the 1884 season.