Eponyms beginning with S
- Sölder's lines
- Solomon's syndrome
- Solomon-Fretzin-Dewald syndrome
- Somogyi rebounds
- Somogyi's method
- Somogyi's phenomenon
- Somogyi's reagent
- Somogyi's unit
- Somogyi-Nelson method
- Sonne's bacillus
- Sonne's disease
- Sonne's dysentery
- Sonne-Duval bacillus
- Sotos' sequence
- Sotos' syndrome
- Souffle de Roger (French)
- Soulier-Boffa syndrome
- Souques' phenomenon or sign
- Souques's triad
- Souques-Charcot geroderma
- Souques-Charcot syndrome (a variant of this syndrome)
- Sourdille's operation
- South-eastern Europe endemic nephropathy
- Southey's cannula
- Southey's tube