The Michael Byrne Cup is an association football cup competition featuring teams from the Galway & District League. It is now the main league cup competition for this league. However, when it was originally inaugurated in 1976–77, it was a play-off featuring the top teams from the four junior leagues affiliated to the Connacht Football Association. These are the Galway & District League, the Sligo-Leitrim League, the Mayo Association Football League and the Roscommon & District League. The winners were recognised as the Connacht junior champions and the cup was also referred to as the Connacht Champions Cup.

List of winners Season Winner Score Runners-up Venue 2025–26 Maree Oranmore FC 6 - 5 Salthill Devon Eamonn Deacy Park 2016–17 Athenry F.C. 3 - 1 Salthill Devon Eamonn Deacy Park 2015–16 2014–15 Salthill Devon 0–0Salthill Devon won 2–0 on penaltiesCorrib RangersEamonn Deacy Park 2013–14 NUI Galway 2–1Galway HiberniansEamonn Deacy Park 2012–13 Corrib Rangers Mervue United 2011–12 Athenry F.C.3–1East UnitedEamonn Deacy Park 2010–11 Mervue United2–1Athenry F.C. Terryland Park 2009–10 Mervue United3–2Corrib RangersTerryland Park 2008–09 2007–08 St. Bernards F.C. 2006–07 Athenry F.C.4–0Mervue UnitedTerryland Park 2005–06 Mervue United 2004–05 Mervue United 2003–04 Mervue United 2002–03 Mervue United 2001–02 Mervue United 1996–97 Renmore A.F.C. Calry Bohemians (Sligo)McSharry Park, Sligo 1986–87 Westport United West United (Galway) 1980–81 Castlebar Celtic 1979–80 1978–79 Castlebar Celtic 1977–78 Mervue United 1976–77 Mervue United Mervue United won after penaltiesBalla (Mayo)Terryland Park Notes

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