- Seal Rocks
- Seal Rocks
- Seal Rocks
- Seal Rocks
- Searles
- Searles Valley
- Sears Point
- Seaside
- Seaview
- Sebastopol
- Sebastopol
- Second Garrotte
- Secret Town
- Sedco Hills
- Sedco Hills (historical)
- Seeley
- Seguro
- Seiad Valley
- Seigler Springs
- Selby
- Selma
- Seminole Hot Springs
- Seminole Springs Trailer Park
- Semitropic
- Seneca
- Sentinel Rock
- Sequoia
- Sequoia
- Sequoia Crest
- Sequoia National Park