- Saint Petrox
- Saint Twynnells
- Sandycroft
- Sarnau
- Saundersfoot
- Scleddau
- Scurlage
- Sealand
- Senghenydd
- Sennybridge
- Seven Sisters
- Shirenewton
- Silian
- Simpson Cross
- Sarn
- Stepaside
- Sirhowy
- Skenfrith
- Skewen
- Solva
- South Cornelly
- Southerndown
- Square and Compass
- Stackpole
- Staylittle
- Stepaside
- Steynton
- Strata Florida
- Swansea
- Sylen