1908–09 Irish League
The 1908–09 Irish League was the 19th edition of the Irish League, the highest level of league competition in Irish football.
The league comprised eight teams, and Linfield won the championship for 10th time and the 3rd season in a row.
Teams and locations
| Team | Town | Home Ground |
| Belfast Celtic | Belfast | Celtic Park |
| Bohemians | Dublin | Dalymount Park |
| Cliftonville | Belfast | Solitude |
| Derry Celtic | Derry | Brandywell |
| Distillery | Belfast | Grosvenor Park |
| Glentoran | Belfast | The Oval |
| Linfield | Belfast | Windsor Park |
| Shelbourne | Dublin | Sandymount Road |