| Competition: | League of Ireland |
| Winners: | Bohemians (3rd title) |
| Matches: | 90 |
| Total Goals: | 372 |
| League Topscorer: | Johnny Ledwidge (16 goals) |
| Prevseason: | 1928–29 |
| Nextseason: | 1930–31 |
| Season: | 1929–30 |
The 1929–30 League of Ireland was the ninth season of the League of Ireland. Shelbourne were the defending champions.
Bohemians won their third title.
No new teams were elected to the League.
| Team | Location | Stadium | |
|---|---|---|---|
| Dublin (Phibsborough) | Dalymount Park | ||
| Woodbrook Ground | |||
| Dublin (The Liberties) | Richmond Park | ||
| Dublin (Clonturk) | Clonturk Park | ||
| Athletic Grounds | |||
| Ballinlough Road | |||
| Dublin (Crumlin) | Rutland Avenue | ||
| Dublin (Crumlin) | St. James's Park | ||
| Dublin (Milltown) | Glenmalure Park | ||
| Dublin (Ringsend) | Shelbourne Park |