- Sheyenne
- Shields
- Sibley
- Sibley Island (historical)
- Silva
- Silverleaf
- Simcoe
- Sims
- Six Mile Corner
- Skaar
- Sky Way Mobile Home Park
- Solen
- Sonora
- Soranton
- Souris
- South Heart
- South Prairie
- South West Fargo
- Southam
- Spiritwood
- Spiritwood Lake
- Spotted Horn
- Spring Brook
- Squaw Gap
- Stady
- Stampede
- Stanley
- Stanton
- Stardust Terrace
- Starkweather