- My Bloody Valentine are Irish!!
- Gerald Barry – Aosdána
- Derek Bell – harpist
- Mary Bergin – tin whistler
- Wallis Bird – singer, songwriter
- Frances Black – singer
- Mary Black – singer
- Bill Twomey -guitarist, singer, drummer
- Big Tom – lead singer of Big Tom and The Mainliners
- Bono (real name: Paul Hewson) – lead singer of U2
- Ciaran Bourke – singer/guitarist
- Brian Boydell – composer
- Brídín Brennan – singer
- Moya Brennan – musician
- Joe Burke – accordionist
- Kevin Burke – fiddler
- Nicky Byrne – singer of Westlife, songwriter
- Eamonn Campbell – guitarist/producer
- Vivian Campbell – co-lead guitarist of Def Leppard
- Seán Cannon – singer/guitarist
- Paddy Casey – singer/songwriter
- Patrick Cassidy – composer
- Willie Clancy – uilleann piper
- Julia Clifford – traditional fiddle player
- Michael Coleman – fiddler
- Finghin Collins – pianist
- Tadhg Cooke – singer
- Phil Coulter – composer
- Nadine Coyle – singer in British band Girls Aloud
- Damian McGinty – Celtic Thunder
- Damien Dempsey – singer/songwriter
- Dana Rosemary Scallon – MEP-singer turned politician
- Joe Derrane – button & piano accordions
- Ronnie Drew – singer/guitarist
- The Edge – guitarist/singer of U2
- Kian Egan – singer of Westlife, songwriter
- Séamus Ennis – uilleann piper
- Enya (real name: Eithne Ní Bhraonáin) – singer/songwriter
- Órla Fallon – singer, harpist
- Ciarán Farrell – composer
- Mark Feehily, singer of Westlife – songwriter
- Angela Feeney – opera singer
- John Field – composer (creator of the nocturne)
- Shane Filan – singer of Westlife, songwriter
- Jem Finer – banjoist and guitarist
- Mick Flannery – singer/songwriter
- John Fogerty – singer/songwriter best known for his work with Creedence Clearwater Revival
- Gavin Friday – singer
- Bobby Gardiner – accordionist
- Mark Geary – singer
- W. H. Grattan Flood – author and musicologist
- Liam Gallagher– Lead Singer of the band Oasis
- Noel Gallagher– Lead Guitarist/Songwriter of English Rock band Oasis
- Rory Gallagher – blues/rock guitarist
- James Galway – flautist
- Bob Geldof – songwriter, singer of the Boomtown Rats, activist
- Bernadette Greevy – mezzo-soprano
- John and Edward Grimes – X Factor 2009
- Marc Gunn – autoharper, singer/songwriter, and podcaster, formerly of the Brobdingnagian Bards
- Carmel Gunning – tin whistler
- Lisa Hannigan – singer/songwriter
- Glen Hansard – Oscar winning singer/songwriter
- Keith Harkin – Celtic Thunder
- Harrie (Ann Harrington) – singer/songwriter Harrie and the Maniax
- Hamilton Harty – composer and arranger
- Catherine Hayes – opera singer
- Gemma Hayes – singer
- George Harrison – singer/songwriter and founding member of The Beatles
- Christie Hennessy – singer/songwriter
- Paul David Hewson – also known as Bono, lead singer and principal lyricist of U2
- Red Hurley – singer
- Brian Irvine – composer
- Fergus Johnston – Aosdána
- Dolores Keane – singer
- Richard Kearns – Classical Composer
- Ronan Keating – singer/songwriter
- Paddy Keenan – uilleann piper
- Lisa Kelly – singer
- Luke Kelly – singer
- Brian Kennedy – singer
- Paddy Killoran – fiddler
- Dave King – singer/songwriter
- David Kitt – musician
- Damien Leith – singer/songwriter, winner of Australian Idol 2006
- Josef Locke – singer
- Johnny Logan – singer/songwriter
- Cora Venus Lunny – violinist
- Dónal Lunny – musician
- Phil Lynott – Thin Lizzy frontman
- Jimmy MacCarthy – singer/songwriter
- Mickey MacConnell – singer/songwriter
- Geraldine McGowan – folk singer
- Susan McKeown – GRAMMY award-winning vocalist and songwriter
- Shane MacGowan – English born singer/songwriter
- Sean Mackin – backup vocals and violinist of Yellowcard
- Sean Maguire – violinist
- Sarah Makem – singer
- Tommy Makem – singer-songwriter
- Enda Markey – singer
- Philip Martin – pianist, Aosdána
- Gwendolyn Masin – violinist, author, pedagogue
- Larry Mathews – singer/songwriter, violinist
- John Count McCormack – singer
- Eleanor McEvoy – singer/songwriter
- Brian McFadden – singer/songwriter
- Barney McKenna – banjo player
- Geraldine McMahon – harpist
- John McSherry (musician) – uilleann piper
- Paul McSherry – guitarist
- Patrick Monahan – singer/songwriter, solo artist/member of Train
- Christy Moore – singer/songwriter
- Gary Moore – guitarist/singer/songwriter
- Van Morrison – singer/songwriter
- Lee Mulhern – singer/songwriter
- Samantha Mumba – singer, actress
- Mundy – singer/songwriter
- Róisín Murphy – singer
- Ruby Murray – singer
- Mairéad Ní Mhaonaigh – musician
- Turlough Carolan – 17th century harpist and composer ("Last of the Bards")
- Dáithí O'Cléirigh – percussionist/producer
- Maura O'Connell – singer
- Máirtín O'Connor – accordionist
- Sinéad O'Connor – singer
- Daniel O'Donnell – country-and-western singer
- Danny O'Donoghue-singer The Script lead singer
- Mary O'Hara – harpist/singer
- Liam O'Flynn – uilleann piper
- Seán Ó Riada – composer and musician
- Dolores O'Riordan – singer/songwriter/guitarist
- Gilbert O'Sullivan – pop singer/songwriter/pianist
- Mícheal O'Shuillibhán – pianist/composer/recording artist
- Tommy Peoples – fiddler
- Carmel Quinn – singer
- Paddy Reilly – singer/guitarist
- Damien Rice – singer/songwriter
- Leo Rowsome – uilleann piper
- Frank Ryan – tenor
- Sharon Shannon – traditional musician
- John Sheahan – fiddler
- Mark Sheehan – guitarist The Script
- Chris Singleton – singer/songwriter
- Donal Skehan – singer
- Bruce Springsteen – singer/songwriter, Irish ancestry
- Carly Smithson – singer
- Patsy Touhey – piper
- Paddy Tunney – singer
- Liam Weldon – singer, songwriter
- Sean Dempsey – singer, songwriter, producer
- Andy White – singer/songwriter
- Ian Wilson – Aosdána
- James Wilson – Aosdána
- Afro Celt Sound System
- Agnelli & Nelson
- Altan)
- An Góilín
- The Answer
- Anúna
- Aosdána
- Ash
- Aslan
- The Bachelors
- Bad Haggis
- Barley Bree
- Bell X1
- Bellefire
- Black 47
- Black Family
- Blink
- The Blizzards
- Blue in Heaven
- The Boomtown Rats
- Boss Volenti
- The Bothy Band
- The Boys of the Lough
- Boyzone, boy band
- The Brilliant Trees
- Brobdingnagian Bards
- B*Witched
- Cactus World News
- Catchers
- The Celtic Tenors
- Celtic Thunder
- Celtic Woman
- Ceoltóirí Chualann
- The Chalets
- Channel One
- Cherish the Ladies
- The Chieftains – traditional music group
- The Clancy Brothers – Irish folk band
- Clannad
- The Commitments
- Compulsion
- The Conway Sisters
- The Coronas
- The Corrs
- The Cranberries
- Cruachan
- Cuddly Toys
- Cyclefly
- Dagda
- Danú
- Déanta
- De Dannan
- Director
- The Divine Comedy
- Dr. Strangely Strange
- D:Ream
- Dropkick Murphys
- The East Coast Angels
- Energy Orchard
- The Fat Lady Sings
- The Fatima Mansions
- Field Marshal Montgomery Pipe Band
- Fish Go Deep
- Flogging Molly
- Flook
- Foster & Allen
- Four Men and a Dog
- The 4 of Us
- Four to the Bar
- The Frames
- Fred
- The Fureys
- Future Kings of Spain
- God Is an Astronaut
- God Talking Soul
- The Golden Horde
- Gráda
- The Groovin' Reels
- Hal
- The High Kings
- The High Llamas
- The Hitchers
- Horslips
- Hothouse Flowers
- Kerbdog – rock band
- InFOCUS
- In Tua Nua
- Interference[disambiguation needed] – Folk Band
- The IRS[disambiguation needed]
- JJ72
- The Jane Bradfords
- Jedward
- Jerry Fish & The Mudbug Club
- Jetplane Landing
- The Johnstons
- Kíla
- Language of Flowers
- LeperKhanz
- Lluther
- Vyvienne Long
- Lucid Druid
- Lúnasa
- Big Tom and The Mainliners – Country and Irish Showband
- Mama's Boys
- Marxman
- The Mascara Story
- Mellow Candle
- Microdisney
- The Middlewich Paddies
- Millimetre
- Minor Detail
- Mooncoyne
- The Moondogs
- Mourning Beloveth
- Moving Hearts
- The Mumbles
- My Bloody Valentine
- Na Casaidigh
- Nightnoise
- The Nolans
- Oppenheimer
- OTT – boyband
- Owen's[disambiguation needed]
- Patrick Street
- Pay*Ola
- Picturehouse
- Planxty
- The Pogues
- The Popes
- Poor Man's Fortune – traditional Irish band
- Power of Dreams
- Primordial
- The Radiators From Space
- Rare
- Real Friends Break Chairs
- The Redneck Manifesto
- Republic of Loose
- La Rocca
- Rollerskate Skinny
- Ryan's Fancy
- Sack
- St. Laurence O'Toole Pipe Band
- The Saw Doctors
- The Script
- Seán O'Neill Band
- Self Aid
- Seraphim
- Shakespears Sister
- Six
- Sixstarhotel
- Skara Brae
- Skelpin
- Skid Row
- Skindive
- Snow Patrol – rock band
- Solas (group)
- Solas (liturgical)
- Something Happens
- Stalag 17
- Stand
- The Starjets
- Stiff Little Fingers – punk band
- Stockton's Wing
- The Sultans of Ping FC
- Surly
- Sweeney's Men
- Sweet Savage
- The Swell Season
- Tamalin
- Taste
- Téada
- That Petrol Emotion
- Them
- Therapy?
- The Thrills
- Those Nervous Animals
- Thin Lizzy
- Tír na nÓg
- Toasted Heretic
- Toxic Waste
- Trinití
- Turn
- Two Door Cinema Club
- The Undertones
- U2
- VIC
- The Vipers
- The Virgin Prunes
- VNV Nation
- The Waterboys
- Waylander
- Westlife
- Whipping Boy
- Wilt
- Wolfe Tones
- Wreck of the Hesperus