| Season | 1945–46 |
|---|---|
| Champions | Cork United (5th title) |
| Matches | 56 |
| Goals | 258 (4.61 per match) |
| Top goalscorer | Patrick O'Leary (15 goals) |
| Biggest home win | Cork United 9–1Drumcondra |
| Biggest away win | Bohemians 1–5Shamrock Rovers Waterford 1–5Limerick |
| Highest scoring | Cork United 9–1 Drumcondra Limerick 4–6 Cork United |
1946–47 → | |
The1945–46 League of Ireland was the 25th season of senior football in the Republic of Ireland.
Cork United were the defending champions.
Brideville failed to get re-elected and were replaced byWaterford, who returned after a five-year absence.
Cork United successfully defended their title, winning their fifth title in six years.
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Cork United | 14 | 9 | 3 | 2 | 46 | 20 | +26 | 21 |
| 2 | Drumcondra | 14 | 8 | 3 | 3 | 37 | 34 | +3 | 19 |
| 3 | Waterford | 14 | 7 | 2 | 5 | 29 | 28 | +1 | 16 |
| 4 | Shamrock Rovers | 14 | 6 | 2 | 6 | 40 | 31 | +9 | 14 |
| 5 | Dundalk | 14 | 4 | 5 | 5 | 36 | 37 | −1 | 13 |
| 6 | Limerick | 14 | 5 | 1 | 8 | 25 | 28 | −3 | 11 |
| 7 | Bohemians | 14 | 4 | 2 | 8 | 19 | 36 | −17 | 10 |
| 8 | Shelbourne | 14 | 3 | 2 | 9 | 26 | 44 | −18 | 8 |
| Home \ Away | BOH | CUF | DRU | DUN | LIM | SHM | SHE | WAT |
|---|---|---|---|---|---|---|---|---|
| Bohemians | — | 1–1 | 0–2 | 1–4 | 2–1 | 1–5 | 3–1 | 0–1 |
| Cork United | 3–1 | — | 9–1 | 6–2 | 2–1 | 2–1 | 6–0 | 0–1 |
| Drumcondra | 2–3 | 1–1 | — | 5–3 | 3–1 | 2–2 | 4–1 | 3–1 |
| Dundalk | 3–1 | 2–2 | 1–2 | — | 2–2 | 5–3 | 2–2 | 3–3 |
| Limerick | 0–1 | 4–6 | 1–2 | 2–1 | — | 2–0 | 4–1 | 2–0 |
| Shamrock Rovers | 7–2 | 2–4 | 2–5 | 3–3 | 2–0 | — | 6–0 | 4–1 |
| Shelbourne | 4–1 | 0–3 | 3–3 | 2–4 | 5–0 | 1–2 | — | 3–1 |
| Waterford | 2–2 | 3–1 | 4–2 | 3–1 | 1–5 | 3–1 | 5–1 | — |
| Rank | Player | Club | Goals |
|---|---|---|---|
| 1 |  Patrick O'Leary | Cork United | 15 |
| 2 | Mick O'Flanagan | Bohemians | 11 |
| Tommy McCormack | Drumcondra | ||
| Tommy Eglington | Shamrock Rovers | ||
| 5 | George Sterling | Dundalk | 10 |
| 6 | Benny Henderson | Drumcondra | 8 |
| Paddy Coad | Shamrock Rovers | ||
| Chris Curtin | Waterford | ||
| 9 | Connie Forde | Cork United | 7 |
| Seán McCarthy | |||
| Jackie O'Driscoll | |||
| Willie Fallon | Dundalk | ||
| Tommy Byrne | Limerick | ||
 Davy Cochrane | Shamrock Rovers | ||
| Gerry Malone | Shelbourne | ||
| Leo Ward | Drumcondra |
