Eponyms beginning with S
- Semon-Rosenbach rule
- Semple's therapy
- Semple's vaccine
- Senator syndrome
- Senator's angina
- Senile dementia of the Alzheimer type
- Senior syndrome II
- Senior's syndrome I
- Senior-Biochi syndrome
- Senior-Løken syndrome
- Sensory neuropathy type Denny-Brown
- Serbian barrel
- Séro-diagnostic qualitatif de Félix
- Sertoli cells
- Sertoli's cell tumour
- Sertoli-Leydig cell tumour
- Sertoli-Leydig cell tumour
- Sézary's cell
- Sézary's erythroderma
- Sézary's reticulosis
- Sézary's syndrome
- Sézary-Baccaredda syndrome
- Sézary-Bouvrain syndrome
- Sézary-Lutzner cells
- Shah-Waardenburg syndrome