| Sport | Ice hockey |
|---|---|
| Founded | 1908 |
| First season | 1909 |
| Ceased | 1914 |
| Country |  Canada |
| Most titles | Ottawa Cliffsides (2), Ottawa New Edinburghs (2), Grand-Mère HC (2) |
The Interprovincial Amateur Hockey Union (IAHU or IPAHU) was the premier amateur ice hockey league in Canada after the split between the amateur and professional ice hockey teams of the Eastern Canada Amateur Hockey Association (ECAHA) in 1908.