- Mheall Si Lena Glorthai Me by Clannad
- Mhorag 's Na Horo Gheallaidh by Clannad
- Mo Mhaire by Clannad
- Morning Dew by Clannad
- Moving Thru by Clannad
- Mrs. Mcdermott by Clannad
- Mystery Game by Clannad
- Na Buachailli Alainn by Clannad
- Na Laethe Bhi by Clannad
- Na Leethe Bhi by Clannad
- Na Leethe Bhi (English) by Clannad
- Neansai Mhile Gra by Clannad
- Newgrange by Clannad
- Ni La Na Gaoithe Ka Na Scoilb by Clannad
- Ni La Na Gaoithe La Na Scoilb by Clannad
- NL S Ina L (nL S'n L by Clannad
- Northern Skyline by Clannad
- Now Is Here by Clannad
- Ocean Of Light by Clannad
- Other Side, The by Clannad
- Passing Time by Clannad
- Pirates, The by Clannad
- Planxty Browne by Clannad
- Planxty Burke by Clannad
- Poison Glen, The by Clannad
- Predator by Clannad
- Pretty Maid, The by Clannad
- Primeval Sun by Clannad
- Ri Na Cruinne by Clannad
- Rince Briotanach by Clannad
