Eponyms beginning with C
- Cinderella's syndrome
- Cinnamic acid test of Snapper-Saltzman
- Cirrhose alcoolo-tuberculeuse de Hutinel et Sabourin (French)
- Ciuffini-Pancoast syndrome
- Ciuffini-Pancoast-Tobías syndrome
- Civatte's bodies
- Civatte's disease
- Civatte's syndrome
- Civatte’s poikiloderma
- Clarke's body
- Clarke's columns
- Clarke-Hadfield syndrome
- Classification de Ranke (French)
- Clauberg's method
- Clauberg's substrate
- Clauberg's substrate
- Clauberg's test
- Claude Bernard syndrome
- Claude Bernard's syndrome
- Claude Bernard-Horner syndrome
- Cleland-Arnold-Chiari syndrome
- Clérambault's syndrome
- Clérambault-Kandinsky syndrome
- Clifford's stages
- Clifford's syndrome