The League of Ireland is a league of professional football clubs from the Republic of Ireland plus Derry City from Northern Ireland. It is one of the two main governing bodies responsible for organising association football in the Republic of Ireland, along with the Football Association of Ireland. It is also the top-level football league in the Republic of Ireland since its foundation in 1921, but the term was used to refer to a single division league before the introduction of a second division in 1985.
The League of Ireland First Division, also known as the SSE Airtricity League First Division for sponsorship reasons, is the second-highest division in both the League of Ireland and the Republic of Ireland football league system. The division was formed in 1985 as it replaced the League of Ireland B Division as the League of Ireland's second level division. Since 2003 the First Division has operated as a summer league. The division is contested by 10 clubs.
The 2015 League of Ireland Premier Division was the 31st season of the League of Ireland Premier Division. Dundalk were champions and Cork City finished as runners-up.
The 2016 League of Ireland Premier Division was the 32nd season of the League of Ireland Premier Division. The league began on 4 March 2016 and concluded on 28 October 2016; the relegation play-offs followed on 31 October and 4 November 2016. The prize fund for the SSE Airtricity League Premier and First Divisions was €475,500 for the 2016 season.
The 2016 League of Ireland Cup, known for sponsorship reasons as the 2016 EA Sports Cup, was the 43rd season of the League of Ireland's secondary knockout competition. The EA Sports Cup features teams from the SSE Airtricity League Premier and First Divisions, as well as some intermediate level teams.
The League of Ireland U19 Division is the under-19 division of the League of Ireland. The current division is the successor of earlier U21 and U20 divisions. Like the Premier Division and First Division, the U19 Division is currently sponsored by Airtricity and as a result it is also known as the SSE Airtricity U19 League. The earlier U21 and U20 divisions were sponsored by Eircom and as a result were referred to as the Eircom U21 League or the Eircom U20 League. The division is also sometimes referred to as the Dr Tony O'Neill League because the winners are awarded the Dr Tony O'Neill Cup. In 2016 Cork City became the first team to represent the division in the UEFA Youth League.
The 2017 League of Ireland Premier Division was the 33rd season of the League of Ireland Premier Division. The league began on Friday 24 February 2017 and concluded on 27 October 2017. Fixtures were announced on 9 December 2016.
The 2017 League of Ireland Cup, known for sponsorship reasons as the 2017 EA Sports Cup, was the 44th season of the League of Ireland's secondary knockout competition. The EA Sports Cup features teams from the SSE Airtricity League Premier and First Divisions, as well as some intermediate level teams.
The 2018 League of Ireland Premier Division was the 34th season of the League of Ireland Premier Division. The league began on 16 February 2018 and concluded on 26 October 2018.
The 2018 FAI Cup was the 98th edition of the Republic of Ireland's primary national cup competition. It began with the qualifying round on 21 April 2018, and concluded with the final on 4 November 2018. The winner qualified for the 2019–20 Europa League first qualifying round.
The 2019 League of Ireland Premier Division is the 35th season of the League of Ireland Premier Division. The league began in February 2019 and concluded in October 2019. Fixtures were announced in December 2018.
The 2019 League of Ireland season was Bohemian Football Club's 129th year in their history and their 35th consecutive season in the League of Ireland Premier Division since it became the top tier of Irish football. Bohemians participated in various domestic cups this season, including the FAI Cup, EA Sports Cup and the Leinster Senior Cup. Bohemians also competed in the Scottish Challenge Cup.
The 2019 season was St. Patrick's Athletic F.C.'s 90th year in existence and was the Supersaint's 68th consecutive season in the top-flight of Irish football. It was the first season Harry Kenny took charge of the club, following Liam Buckley's spell in charge for the previous seven seasons. The fixtures were announced on 19 December 2018, with the Saints facing Cork City at home on the opening day of the season for the second year in a row, with the Inchicore side set to play champions Dundalk away from home on the final night of the season. Harry Kenny left his post on the 24th August following a 3–1 loss away to bottom of the table UCD in the FAI Cup. He was replaced by Stephen O'Donnell on the 31st August, his first managerial role. Pats finished 5th in the league and won the Leinster Senior Cup, playing the semi-final and final with their underage sides after the league season had ended for the senior team.
The League of Ireland U17 Division is the under-17 division of the League of Ireland. Like the Premier Division, the First Division and the National U19 League the National U17 League is currently sponsored by SSE Airtricity and as a result it is also known as the SSE Airtricity National U17 League.
FAI High-Performance Director Ruud Dokter and then Republic of Ireland assistant manager Roy Keane officially launched the inaugural SSE Airtricity National U17 League at FAI headquarters in Abbotstown on 27 July 2015.
The 2019 League of Ireland Cup, also known for sponsorship reasons as the 2019 EA Sports Cup, was the 46th season of the League of Ireland's secondary knockout competition. The EA Sports Cup featured teams from the SSE Airtricity League Premier and First Divisions, as well as some intermediate level teams. Dundalk defeated Derry City in the final in a penalty shoot-out, following a 2-2 draw.
In 2020, Shelbourne F.C. competed in the League of Ireland Premier Division for the first time since 2013. They were promoted in the 2019 season, having finished top of the first division. For a second season running, Shelbourne were under the management of Ian Morris. In October 2019, shortly after the end of the previous season, Shelbourne released a new jersey ahead of the 2020 season which emulated the style of the 1960s jersey used by the club. This was part of marking the pending 125th anniversary of the founding of the club.
The 2020 League of Ireland Premier Division, known as the SSE Airtricity League for sponsorship reasons, was the 36th season of the League of Ireland Premier Division.
The 2021 League of Ireland First Division season was the 37th season of the League of Ireland First Division, the second tier of Ireland's association football league. The fixture list was released on 8 February 2021 and the competition commenced on 26 March 2021. Shelbourne were confirmed Champions and promoted to the League of Ireland Premier Division on 1 October 2021.
The 2021 League of Ireland Premier Division, known as the SSE Airtricity League Premier Division for sponsorship reasons, 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, having won their sixth league title the previous season. Shamrock Rovers went on to retain the title.
The 2023 League of Ireland Premier Division, known as the SSE Airtricity League Premier Division for sponsorship reasons, was the 39th season of the League of Ireland Premier Division, the top Irish league for association football clubs since its establishment in 1985.
Emilio Williams
Aaron Connolly
Umbro 
Uhlsport 
Darren Murphy
Joma 
Macron 
