Guinness Choir
- 100+ group based in Dublin and performing large master works. Membership information, brief history, and concert schedule.
- http://www.guinnesschoir.org/

Waterford City Choir
- 50-voice choir based in Waterford. Concert schedule, history, repertoire, rehearsals, membership.
- http://www.iol.ie/~newtownw/wcco/index.htm

Dun Laoghaire Choral Society
- 100-member vocal ensemble offering regular local performances. Current and past concert schedule and member list.
- http://www.iol.ie/~aharpur/

RTÉ Philharmonic Choir
- The "house choir" of the national broadcasting organisation, chiefly occupied with performing the major choral works with the National Symphony Orchestra.
- http://www.rte.ie/music/philharmonic.html

Northern Ireland Baha'i Choir
- Members from a wide range of locations, age groups and skill levels.
- http://dspace.dial.pipex.com/town/terrace/ae198/Choir.htm

Dublin County Choir
- A journal of the 25 years of the group, which has a membership of 120 and a wide range of music. Also offers schedule, repertoire and member list.
- http://www.dublincountychoir.com/