Sa
- SA-, Saudi Arabia
- Sardis, British Columbia, Canada
- Sarhua, Ayacucho, Peru
- Saseenas, British Columbia, Canada
- Saskatchewan, Alberta Canada, Canada
- Saskatchewan, Canada
- Saskatchewan River, Canada
- Satromagrom, Northwest Frontier, Pakistan
- Satun, Thailand
- Satus, Washington, USA
- Saudi Arabia
- Savage Islands, Canada
- Savai'i, Samoa
- Savary Island, British Columbia, Canada
- Savona, Liguria, Italy
- Savu, Nusa Tenggara Timor, Indonesia
- Savu, Nusa Tenggara Timur, Indonesia
- Savu Savu, Fiji
- Sawa-Erma, Papua, Indonesia
- Sawankhalok, Sukhothai, Thailand
- Sawmill Creek or Five Mile Creek, British Columbia, Canada
- Saxman, Alaska, USA
- Saxman, Revillagigedo Island, Alaska, USA
- Saxony, Germany
Sc
- Schefferville, Quebec, Canada
- Schleswig-Holstein, Germany
- Schultz Lake, Canada
- Schwaben, Germany
- Scotch Creek, British Columbia, Canada
- Scotland
- Scotty Creek, British Columbia, Canada
- Scowlitz, British Columbia, Canada
Se
- Sea Coast, North Of Yukon Delta, Alaska, USA
- Seabird Island, British Columbia, Canada
- Seal Island, Alaska, USA
- Seattle, King County, Washington state, USA
- Seattle, Washington, USA
- Seattle Vicinity, King County, Washington, USA
- Sechelt, British Columbia, Canada
- Sechelt Inlet, British Columbia, Canada
- Security Bay, Alaska, USA
- Sedona, Arizona, USA
- Seetuck, Alaska, USA
- Segou, Mali
- Seine et Marne, France
- Seine et Oise, France
- Selah, Washington, USA
- Selawik, Alaska, USA
- Selawik River, Northwest Arctic Borough, Alaska, USA
- Seleucia, Mersin, Turkey
- Selwa 1, Saudi Arabia
- Selwa 10, Saudi Arabia
- Selwa 11, Saudi Arabia
- Selwa 12, Saudi Arabia
- Selwa 14, Saudi Arabia
- Selwa 3, Saudi Arabia
- Selwa 4, Saudi Arabia
- Selwa 5, Saudi Arabia
- Selwa 5a, Saudi Arabia
- Selwa 6, Saudi Arabia
- Selwa 7, Saudi Arabia
- Selwa 9, Saudi Arabia
- Semarang, Java, Indonesia
- Sendai, Japan
- Sendai Yanagiu, Miyagi, Japan
- Sendas, Braganca, Portugal
- Senegal
- Senesenguhta, New York, USA
- Seoul, Korea
- Sepana, Papua, Indonesia
- Sepik, Papua New Guinea
- Serbia
- Serpa, Beja, Portugal
- Seton Creek, British Columbia, Canada
- Seward Peninsula, Alaska, USA
- Seward Peninsula, Northwest Arctic Borough, Alaska, USA
- Seychelles
- Seymour Inlet, British Columbia, Canada
SgSh
- Shaanxi, China
- Shakan, Kosciusko Island, Alaska, USA
- Shaktoolik, Alaska, USA
- Shan, Burma
- Shandong, China
- Shanghai, China
- Shantou, Guangdong, China
- Shanxi, China
- Shatin, Hong Kong, China
- Shawbury District, Jamaica
- Shefa, Vanuatu
- Shefferville, Québec province, Canada
- Shemya Island, Aleutian Islands, Alaska, USA
- Shendi, Nile, Sudan
- Shenzhen, Guangdong, China
- Sheshatshiu, Labrador, Newfoundland, Canada
- Sheshatshiu, Terre-Neuve-et-Labrador, Canada
- Shields Site, British Columbia, Canada
- Shiga, Japan
- Shimane, Japan
- Shio-Otani, Niigata, Japan