- Concini, Arrigo1
- Concini, Bartolomeo3
- Concini, Bernardo1
- Concini, Giovanbattista3
- Concini, Lisabetta2
- Concini, Lucrezia1
- Concini, Margherita2
- Conduct of life3
- Confession8
- Confession (Canon law)1
- Confession of sins (Jewish prayer)2
- Confession--Catholic Church12
- Confraternities6
- Conscience, Examination of1
- Consciousness--Religious aspects--Hinduism13
- Consolation5
- Consolation (Judaism)1
- Conspiracy of Catiline (Rome : 65-62 B.C.)3
- Constantine XI Palaeologus, Emperor of the East, 1405-14531
- Constellations2