- Seal Island
- Seal Rock
- Seal Rock
- Seal Rock
- Searose Beach
- Selma
- Service Creek
- Seven Oaks
- Shadowood
- Shady Dell
- Shady Grove
- Shady Pine
- Shaw
- Sheaville
- Shedd
- Shelburn
- Shell Island
- Shorewood
- Sidney
- Signal Island
- Siletz Keys
- Siltcoos
- Silver Lake
- Silvies
- Simnasho
- Siskiyou
- Sisters
- Sisters
- Sisters Rocks
- Sitkum