MSU Chamber Choir
- The chamber choir of Michigan State University School of Music.
- http://www.music.msu.edu/ensembles/choral/chamber.php

Mostly Motets Vocal Ensemble
- Sings mostly sacred choral music from the renaissance and earlier. Based in Santa Rosa, California. Group and member information.
- http://www.mostlymotets.com/

Meljon Singers
- A well regarded chamber choir, seeking to promote high standards of music primarily in and around the London Borough of Redbridge area, England.
- http://www.meljon.org.uk/

Musica Ficta
- A professional vocal ensemble, founded in 1996 by the danish composer and director Bo Holten. Based in Copenhagen, Denmark.
- http://www.ficta.dk/BasFramesetEng.html

Monash Chorale
- A non-auditioned, SATB, community choir of about 60, in Melbourne, Australia, singing classical, and light classical and carols. About the choir, its music, and its director.
- http://home.vicnet.net.au/~monchor/

The Master Singers
- This critically-acclaimed chorus presents music written expressly for a small ensemble, ranging from Renaissance masterpieces to world premieres of works by Boston's leading composers.
- http://themastersingers.org/

Musica Viva of New York
- Chamber choir performing early and new music at The Unitarian Church of All Souls.
- http://www.musicaviva.org/