| Season | 2021 |
|---|---|
| Dates | 19 March – 19 November 2021 |
| Champions | Shamrock Rovers (19th title) |
| Relegated | Longford Town F.C., Waterford |
| Champions League | Shamrock Rovers |
| Europa Conference League | St Patrick's Athletic Sligo Rovers Derry City |
| Matches played | 180 |
| Goals scored | 458 (2.54 per match) |
| Top goalscorer | Georgie Kelly (21 goals) |
| Biggest home win | Bohemians 5–0 Drogheda United (18 June 2021), Finn Harps 5-0 Longford Town (19 November 2021) |
| Biggest away win | Waterford 0–7 Drogheda United (8 May 2021) |
| Highest scoring | Waterford 0–7 Drogheda United (8 May 2021) |
| Longest winning run | Shamrock Rovers (7 games) |
| Longest unbeaten run | Shamrock Rovers (11 games) |
| Longest winless run | Longford Town (25 games) |
| Longest losing run | Waterford (7 games) Longford Town (7 games) |
| Highest attendance | 7,765 Shamrock Rovers 2-1 Drogheda United (19 November 2021) |
| Lowest attendance | 0 |
← 2020 2022 →
All statistics correct as of 20 November 2021. | |
The 2021 League of Ireland Premier Division, known as the SSE Airtricity League Premier Division for sponsorship reasons,[1] was the 37th season of the League of Ireland Premier Division, the top Irish league for association football clubs since its establishment in 1985. Shamrock Rovers were the defending champions,[2] having won their sixth league title the previous season. Shamrock Rovers went on to retain the title.[3][4]