Editing List of Irish people (section)

==== Music – L to P ====
* [[John F. Larchet]] – composer
* [[April Lawlor]] – singer-songwriter
* [[Damien Leith]] – singer-songwriter, winner of ''[[Australian Idol (season 4)|Australian Idol]]'' 2006
* [[Gary Lightbody]] – lead singer of [[Snow Patrol]]
* [[Josef Locke]] – singer
* [[Johnny Logan (singer)|Johnny Logan]] – singer-songwriter
* [[Samuel Lover]] – composer and performer
* [[Cora Venus Lunny]] – violinist
* [[Dónal Lunny]] – musician
* [[Bob Lynch (musician)]] – musician
* [[Shane Lynch]] – singer of [[Boyzone]]
* [[Phil Lynott]] – [[Thin Lizzy]] frontman
* [[Jimmy MacCarthy]] – singer-songwriter
* [[Mickey MacConnell]] – singer-songwriter
* [[Shane MacGowan]] – English-born singer-songwriter
* [[Yellowcard|Sean Mackin]] – backup vocals and violinist of Yellowcard
* [[Sean Maguire]] – violinist
* [[Sarah Makem]] – singer
* [[Tommy Makem]] – singer-songwriter
* [[Margo (singer)|Margo]] – singer
* [[Enda Markey]] – singer
* [[Philip Martin (pianist)|Philip Martin]] – pianist, composer, member of [[Aosdána]]
* [[Gwendolyn Masin]] – violinist, author, pedagogue
* [[Larry Mathews (musician)|Larry Mathews]] – singer-songwriter, violinist
* [[Frederick May (composer)|Frederick May]] – composer
* [[Christopher McCafferty]] – underground club promoter, DJ
* [[Jim McCann (musician)]] – musician
* [[John McCormack (tenor)|John Count McCormack]] – singer
* [[Eleanor McEvoy]] – singer-songwriter
* [[Brian McFadden]] – singer-songwriter
* [[Damian McGinty]] – Celtic Thunder; played Rory Flanagan on ''Glee''
* [[Matt McGinn (born 1978)|Matt McGinn]] – Irish singer-songwriter
* [[Michael McGlynn]] – composer, arranger, choir director
* [[Geraldine McGowan]] – folk singer
* [[Barney McKenna]] – banjo player
* [[Susan McKeown]] – Grammy Award-winning vocalist and songwriter
* [[Geraldine McMahon]] – harpist
* [[Paul McSherry]] – guitarist
* [[James Lynam Molloy]] – ballad composer
* [[Christy Moore]] – singer-songwriter
* [[Gary Moore]] – guitarist, singer-songwriter
* [[Peter K. Moran]] – composer
* [[Van Morrison]] – singer-songwriter
* [[Lee Mulhern]] – singer-songwriter
* [[Gráinne Mulvey]] – composer
* [[Samantha Mumba]] – singer, actress
* [[Mundy]] – singer-songwriter
* [[John Murphy (fiddle player)|John Murphy]] – fiddle player
* [[Róisín Murphy]] – singer
* [[Ruby Murray]] – singer
* [[Máiréad Nesbitt]] – fiddler
* [[Méav Ní Mhaolchatha]] – singer
* [[Mairéad Ní Mhaonaigh]] – musician
* [[Eithne Ní Uallacháin]] – singer
* [[Pádraigín Ní Uallacháin]] – singer
* [[John O'Callaghan (musician)|John O’Callaghan]] – musician
* [[Fintan O'Carroll]] - composer
* [[Turlough Carolan|Turlough O'Carolan]] – 17th/18th-century harper and composer
* [[Colm Ó Cíosóig]] – musician, drummer of [[My Bloody Valentine (band)|My Bloody Valentine]]
* [[Maura O'Connell]] – singer
* [[Máirtín O'Connor]] – accordionist
* [[Sinéad O'Connor]] – singer
* [[Daniel O'Donnell (singer)|Daniel O'Donnell]] – country-and-western singer
* [[Danny O'Donoghue]] – lead singer of The Script 
* [[Robert O'Dwyer]] – composer
* [[Liam O'Flynn]] – uilleann piper
* [[Kane O'Hara]] – composer
* [[Mary O'Hara]] – harpist/singer
* [[Mícheál Ó hEidhin]] – musician
* [[Arthur O'Leary (composer)|Arthur O'Leary]] – composer
* [[Jane O'Leary]] – composer and pianist
* [[Damian O'Neill]] – lead guitarist of [[The Undertones]]
* [[John O'Neill (guitarist)|John O'Neill]] – guitarist of The Undertones; writer of [[Teenage Kicks]]
* [[Seán Ó Riada]] – composer and musician
* [[Annmarie O'Riordan]] – singer-songwriter
* [[Dolores O'Riordan]] – singer-songwriter, guitarist
* [[George Alexander Osborne]] – composer
* [[Gilbert O'Sullivan]] – pop singer-songwriter, pianist
* [[Una Palliser]] – violinist, violist, singer
* [[Geoffrey Molyneux Palmer]] – composer
* [[Luan Parle]] – singer-songwriter, musician
* [[Tommy Peoples]] – fiddler
* [[Brendan Phelan]] – songwriter
* [[A. J. Potter]] – composer