The 2026–27 All-Ireland League, known as the Energia All-Ireland League for sponsorship reasons, is the 35th season of Irish Rugby's top level domestic competition. The League began on 26 September 2026 and will finish with the League final at the Aviva Stadium, Dublin on 25 April 2027.
St Mary's College are the defending champions having won their 3rd title by defeating reigning champions Clontarf in the 2025–26 League Final.
Enniskillen make their debut in the League this season. They replace Belfast Harlequins who were relegated from the league on the last day of last season.
Format The League consists of 5 divisions of 10 teams each playing a double round-robin competition using the standard Rugby union bonus points system. At the completion of the league phase the top 4 teams in Division 1A qualify for the play-off semi-finals, with the two winners meeting in the final.
The 10th placed teams in Divisions 1A, 1B and 2A are relegated to Divisions 1B, 2A and 2B respectively while the winners of Divisions 1B, 2A and 2B are promoted up one division. Division 2B is divided into North and South sections with the winners of each section playing-off for the Division 2B title. The 9th placed team in Division 1A along with the 2nd to 4th placed teams in Division 1B enter a play-off competition with the winner playing in Division 1A the following season. This same play-off competition also applies to Division 1B/2A. The 9th place team in 2A along with the loser of the 2B Final and runners-up in 2BN and 2BS enter a play-off competition with the winner playing in Division 2A the following season.
The 10th placed teams in each section of Division 2B play-off and the loser is relegated from the league to their respective Provincial qualifying league and are replaced by the winner of the All-Ireland Provincial League Championship. The winner of the play-off plays the runner-up of the All-Ireland Provincial League Championship with the winner playing in Division 2B the following season.
All-Ireland Provincial League Championship The All-Ireland Provincial League Championship is contested by the winners of the four provincial qualifying leagues in Connacht, Leinster, Munster and Ulster. They are drawn to play in two semi-finals with the winners meeting in the final, where the winner will play in Division 2B of the A.I.L. for the following season. The runner-up plays against the winner of the Division 2B relegation play-off and the winner of this play-off will also play in Division 2B of the A.I.L. the following season.
Team changes The following promotions and relegations occurred at the end of the 2025–26 season:
Promoted Relegated Division 1A — Nenagh Ormond Division 1B Old Wesley Queen's University Division 2A MU Barnhall Banbridge, Old Crescent* Division 2B Galwegians, UL Bohemians* — Division 2C — Belfast Harlequins A-I PLC Enniskillen — * via play-offs
Division 1A Cork Constitution continue their ever presence in the League's top division, playing their 35th season in the league, while Old Wesley return to the top flight for the first time this century.
Teams
Team Location Stadium Capacity Ballynahinch Ballynahinch Ballymacarn Park 1,000 Castle Avenue 3,200 Temple Hill 1,000 Aviva Stadium (Back Pitch) 1,000 Ollie Campbell Park 1,000 Old Wesley Dublin (Donnybrook) Donnybrook Stadium 7,000 Templeville Road 4,000 Lakelands Park 3,000 UCD Bowl 3,000 Tom Clifford Park 1,000
Table
Fixtures and results
Division 1B After just one season in 1A, Nenagh Ormond return to Division 1B. MU Barnhall play in the 2nd tier of the A.I.L. for the first time in their history.
Teams
-->
Team Location Stadium Capacity Blackrock College Dublin (Blackrock) Stradbrook Road 4,000 City of Armagh Armagh Palace Grounds 1,000 Dublin College Park 200 Dooradoyle 1,500 Highfield Woodleigh Park 4,000 Instonians Belfast Shawsbridge Sports Complex 1,000 MU Barnhall Leixlip Parsonstown 1,000 Naas Naas Forenaughts 3,000 Nenagh Ormond Nenagh New Ormond Park 1,000 UCC Mardyke Arena 5,000
Table
Fixtures and results
Division 2A After 3 seasons in 1B, Queen's are back in Division 2A. Galwegians play in Division 2A after an absence of 7 years while UL Bohemians return after 2.
Teams
Team Location Stadium Capacity Ballymena Antrim Eaton Park 1,000 Cashel Cashel Spafield 2,500 Dungannon Dungannon Stevenson Park 1,000 Galway Corinthians Corinthian Park 1,000 Galwegians Crowley Park 2,000 Greystones Greystones Dr Hickey Park 1,000 Queen's University Belfast Dub Lane 1,000 Shannon Limerick Thomond Park 25,100 UL Bohemians Limerick (UL) UL4G1,000 Wanderers Dublin (Ballsbridge) Merrion Road 1,000
Table
Fixtures and results
Division 2B (North) Banbridge drop down from Division 2A and play in the newly formed Division 2BN along with league debutants Enniskillen.
Teams
Team Location Stadium Capacity Ballyclare Ballyclare The Cloughan 1,000 Banbridge Banbridge Rifle Park 1,000 Clogher Valley Fivemiletown The Cran 1,000 Enniskillen Enniskillen Ardgart 1,000 Malahide Malahide Estuary Road 1,000 Malone Belfast Gibson Park 1,000 Navan Navan Balreask Old 4,000 Rainey Magherafelt Hatrick Park 1,000 Skerries Skerries Holmpatrick 1,000 Sligo Strandhill Hamilton Park 1,000
Table
Fixtures and results
Division 2B (South) Old Crescent who lost their play-off match to Sligo last season drop down to the newly formed Division 2BS.
Teams
Team Location Stadium Capacity Bective Rangers Dublin (Donnybrook) Donnybrook Stadium 6,000 Bruff Bruff Kilballyowen Park 2,000 Buccaneers Athlone Dubarry Park 10,000 Clonmel Clonmel Ard Gaoithe 4,000 Dolphin Musgrave Park 8,008 Enniscorthy Enniscorthy Ross Road 1,000 Midleton Midleton Towns Park 400 Monkstown Dublin (Sandymount) Sydney Parade 1,000 Old Crescent Rosbrien 4,000 Thomond Limerick (Moyross) Liam Fitzgerald Park 1,000
Table
Fixtures and results
Play-offs Division 1A Play-offs Semi-finals
All-Ireland League Final See below.
Division 1B Play-offs Semi-finals
Play-off Final
Division 2A Play-offs Semi-finals
Play-off Final
Division 2B Play-offs Division 2B Final
Semi-finals
Play-off Final
Relegation Play-off
Provincial League Championship Semi-finals
Final
Play-off
Final The All-Ireland League Final is scheduled to take place on Sunday, 25 April 2027 at the Aviva Stadium, Dublin.
All-Ireland League Final
See also Bateman Cup Connacht Senior League Leinster Senior League Munster Senior League Ulster Senior League
References