Cape Shore Chorus
- Sweet Adelines chorus from Seaville New Jersey.
- http://www.capeshorechorus.com/

Christchurch City Chorus
- Sweet Adelines International chorus from Christchurch New Zealand
- http://www.christchurchcitychorus.org.nz

Chinook Winds Show Chorus
- Member Chorus of Sweet Adelines International that is over 70 members strong. Located in Calgary, Alberta, Canada,it was founded in 1956.
- http://chinookwinds.ca

Colne Harmony
- Colchester's Ladies Barbershop Harmony Club. Sings a cappella, close four-part harmony, the chorus performs throughout Essex and Suffolk.
- http://colne.harmony.users.btopenworld.com/

Cedar Harmony Chrous
- Member chorus of Region 20 of Sweet Adelines who give performances in the northeast Iowa area.
- http://cedarharmony.binhost.com/

Celebrity City Chorus
- Sweet Adelines chorus in Las Vegas Nevada.
- http://communitylink.reviewjournal.com/servlet/lvrj_ProcServ/DBPAGE=cge&GID=00004000000930610562633200

Capital City Chorus
- This award-winning chorus from Sweet Adelines International Region 4 is the 2000 Buckeye Invitational Chorus Grand Champion.
- http://www.capitalcitychorus.net/

Capital Accord Chorus
- Sweet Adeline chorus, based in Silver Spring, Maryland that performs four-part harmony.
- http://www.capitalaccord.org

Colonial Spirit Chorus
- A Sweet Adeline Chorus directed byNorma Murray based in Acton, Massachusetts.
- http://www.colonialspirit.org/

Circular Keys Chorus
- Sweet Adelines chorus from Sydney, Australia.
- http://www.circularkeys.org

Champaign-Urbana Chorus
- A chapter of Sweet Adelines International from Champaign, Illinois.
- http://www.sairegion5.org/Choruses/champaign_urbana.htm

City of Gardens Chorus
- Victoria chapter of Sweet Adelines International founded in 1967.
- http://members.shaw.ca/sing/

Carolina Harmony Chorus
- An organization of women singers from throughout the Triangle Area who enjoy acapella harmony, barbershop style. Members promote this musical art form through education and performance.
- http://www.carolinaharmony.org/

Crosstown Harmony
- Milwaukee Wisconsin based Sweet Adelines chorus.
- http://www.crosstownharmony.org/

Chisholm Trail Chorus
- A 50-member, non-profit singing organization dedicated to promoting four-part harmony, barbershop-style singing for women throughout Central Texas.
- http://www.evg.org/~chisholm/

Capital Connection
- West London ladies barbershop harmony chorus, 1998 gold medalists and semi-finalists of Sainsburys Choir of the Year competition.
- http://www.capitalconnection.org.uk/

Channelaire Chorus
- A 100 member women's singing group specializing in four part barbershop harmony. Located in the Southern California oceanside community of Camarillo.
- http://www.channelaire.org/

Choral-Aires
- Sweet Adelines chorus from Oak Brook Illinois.
- http://www.choral-aires.org/

Coastline Show Chorus
- Under the directorship of Gail Jencik offers Rhode Island and Massachusetts a unique form of entertainment. Blending four-part a cappella harmony with energetic choreography, they present a range of music from treasured American classics to broadway hits
- http://www.coastlineshowchorus.org/

Camellia City Chorus
- Sweet Adelines chorus from Sacramento California.
- http://www.harmonize.com/CamelliaCity/Default.htm

County Connection Chours
- Sweet Adeline chorus from Ypsilanti Michigan.
- http://www.sweetadelines.org/

Clustered Spires Chorus
- A widely diverse group of women from Frederick Maryland who are bound together by a common love of singing.
- http://www.harmonize.com/clusteredspires/