| Competition: | League of Ireland |
| Dates: | 8 September 1923 - 13 May 1924 |
| Winners: | Bohemians (1st title) |
| Matches: | 90 |
| Total Goals: | 335 |
| League Topscorer: | Dave Roberts (20 goals) |
| Highest Scoring: | St. James's Gate 3-6 Shelbourne |
| Prevseason: | 1922–23 |
| Nextseason: | 1924–25 |
| Season: | 1923–24 |
The 1923–24 League of Ireland was the third season of top-tier football in the Republic of Ireland. It began on 8 September 1923 and ended on 13 May 1924.
Shamrock Rovers were the defending champions.
Three teams were not re-elected to the league: Dublin United, Olympia and Rathmines Athletic. Only one new team was elected: Brooklyn, reducing the League to ten teams.
Bohemians won their first title.
| Team | Home city | Home ground | |
|---|---|---|---|
| Sports Ground | |||
| Dublin (Phibsborough) | Dalymount Park | ||
| Dublin (Merchants Quay) | Chalgrove Terrace | ||
| Dublin (Crumlin) | Rutland Avenue | ||
| Dublin (Whitehall) | The Thatch | ||
| Dublin (Dolphin's Barn) | St. James's Park | ||
| Dublin (Milltown) | Milltown Park [1] | ||
| Dublin (Ringsend) | Shelbourne Park | ||
| Dublin (Milltown) | Milltown Park [2] |
| Player | Club | Goals | ||
|---|---|---|---|---|
| 1 | Dave Roberts | Bohemians | 20 | |
| align=center rowspan=2 | 2 | Christy Robinson | Bohemians | 12 |
| Frank Rushe | Shelbourne |