Encyclopedias, Almanacs, Transcripts, and Maps
- Communio
- Communio: International Catholic Review
- Communion and Liberation
- Communion Antiphon
- Communion Service
- Communism and Buddhism
- Community Churches
- Community Tokens
- Comoros, The Catholic Church in the
- Compagnie du Saint-Sacrement
- Company of Mary
- Compassion
- Compensation, Occult
- Compensationism
- Compère, Loyset
- Compiègne, Martyrs of
- Complutenses
- Compounding Offenses
- Computus
- Comtat Venaissin