1919–20 Irish League
| Season | 1919–20 |
|---|---|
| Dates | 30 August 1919 – 6 December 1919 |
| Champions | Belfast Celtic 3rd Irish title |
| Matches played | 56 |
| Goals scored | 145 (2.59 per match) |
| Biggest home win | Glentoran 6–0 Bohemians |
| Biggest away win | Glenavon 1–7 Distillery |
| Highest scoring | Distillery 7–3 Shelbourne |
1920–21 → | |
The 1919–20 Irish League was the 26th edition of the Irish League, the highest level of league competition in Irish football.
The league comprised eight teams and Belfast Celtic won the championship for the 3rd time.