This is a summary of the year 2012 in the Irish music industry.

• 11–14 January – Ireland is the "Spotlight Country" at the Eurosonic Festival.^[1]
• 11 January – the shortlist for the Choice Music Prize was announced.^[2]
• 8 March – the Choice Music Prize was awarded at the Olympia Theatre.
• 17 May – Guns N' Roses played The O2.^[3]
• 2–4 June – Forbidden Fruit 2012 took place at the Royal Hospital Kilmainham.^[4]
• 22–23 June – Westlife played Croke Park, in their final ever shows.^[5]
• 23–24 June – the inaugural Westport Festival of Music and Performing Arts took place at Westport House.^[6]
• 26 June – Red Hot Chili Peppers played Croke Park, with support from Noel Gallagher.^[7]
• 30 June
• Aslan played Tallaght Stadium.
• Oxegen, usually held at Punchestown Racecourse in July, did not take place for the first time since its inception in 2004.^[8][9]
• 5 July – The Stone Roses played Phoenix Park as part of their Reunion Tour.^[10] The Irish Independent described it as "one of the most anticipated gigs of the year."^[11]
• 7 July – Swedish House Mafia Phoenix Park concert
• 17 July – Bruce Springsteen performed at the RDS.^[12]
• 24 July – the entertainer Madonna played Dublin's Aviva Stadium as part of her world tour.^[13]
• 23 August – Kasabian and Noel Gallagher performed an outdoor concert at Marlay Park.^[14] There was high security following the Swedish House Mafia Phoenix Park concert disaster of the previous month.^[15] Sound problems marred Noel Gallagher's performance, forcing him off the stage as he attempted to finish his first song.^[16]
• 24 August – David Guetta performed at Marlay Park.^[17]
• 25 August – Van Morrison, Tom Jones and Don Baker/Sinéad O'Connor performed an outdoor concert at Marlay Park.^[17]
• 31 August–2 September – the Electric Picnic took place at Stradbally.^[18]
• 13 September – Paddy Moloney, founding member of The Chieftains, was given Mexico's Ohtli Award, the country's highest cultural award.^[19][20]
• 14 September – Robbie Williams performed at Dublin's O2 in honour of his vow to perform a one-off concert for his Irish fans after technical hitches destroyed his 2006 performance at Croke Park.^[21]

• 2012 in Ireland
• 2012 in music
• 2011 in Irish music