1912–13 Irish League
The 1912–13 Irish League was the 23rd edition of the Irish League, the highest level of league competition in Irish football.
The league comprised ten teams, and Glentoran won the championship for the 5th time and 2nd year in a row.
Season summary
Bohemians returned to the league after not playing the previous season. They were elected alongside another Dublin club, Tritonville, who would only remain in the league for one season, finishing bottom.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 |
| Glenavon | Lurgan | Mourneview Park |
| Glentoran | Belfast | The Oval |
| Linfield | Belfast | Windsor Park |
| Shelbourne | Dublin | Sandymount Road |
| Tritonville | Dublin | Sandymount |