Eponyms beginning with C
- Cogan's dystrophy
- Cogan's syndrome I
- Cogan's syndrome II
- Cogan's syndrome III
- Cogan-Reese disease
- Cogan’s keratitis syndrome
- Cohen's syndrome
- Cole's syndrome
- Cole-Elman test
- Cole-Rauschkolb-Toomey syndrome
- Colles' fascia
- Colles' fracture
- Colles' law
- Colles' ligament
- Collet-Sicard syndrome
- Collet’s syndrome
- Collier's sign
- Collier's syndrome
- Collier's tract
- Collier-Wilson syndrome (S. A. K. Wilson)
- Collis-Nissen procedure
- Columns of Morgagni
- Concato's disease
- Conn's adenoma
- Conn's exogenous syndrome