Quotation authors by 'C'
| Full name | Nationality | Profession |
|---|---|---|
| A. J. Cook | Canadian | Actress |
| Aaron Carter | American | Musician |
| Aaron Copland | American | Composer |
| Abbie Cornish | Australian | Actress |
| Abraham Cahan | Lithuanian | Author |
| Abraham Clark | American | Politician |
| Abraham Cowley | English | Poet |
| Ada Cambridge | English | Writer |
| Adam Carolla | American | Entertainer |
| Adam Clarke | British | Theologian |
| Adam Clayton | Irish | Musician |
| Adam Clymer | American | Journalist |
| Adelaide Clemens | Australian | Actress |
| Adelbert von Chamisso | German | Poet |
| Adrian Cronauer | American | Entertainer |
| Adrienne Clarkson | Canadian | Journalist |
| Agatha Christie | English | Writer |
| Ahmed Chalabi | Iraqi | Statesman |
| Aidan Chambers | British | Author |
| Aime Cesaire | French | Poet |