- Top Cities in California: S
- Sacramento
- Saint Helena
- Salida
- Salinas
- San Andreas
- San Anselmo
- San Bernardino
- San Bruno
- San Carlos
- San Clemente
- San Diego
- San Dimas
- San Fernando
- San Francisco
- San Gabriel
- San Jacinto
- San Joaquin
- San Jose
- San Juan Capistrano
- San Leandro
- San Lorenzo
- San Luis Obispo
- San Marcos
- San Marino
- San Martin
- San Mateo
- San Pablo
- San Pedro
- San Quentin
- San Rafael
- San Ramon
- San Ysidro
- Sanger
- Santa Ana
- Santa Barbara
- Santa Clara
- Santa Clarita
- Santa Cruz
- Santa Fe Springs
- Santa Maria
- Santa Monica
- Santa Paula
- Santa Rosa
- Santa Ynez
- Santee
- Saratoga
- Sausalito
- Scotts Valley
- Seal Beach
- Seaside
- Sebastopol
- Selma
- Shafter
- Shasta Lake
- Sherman Oaks
- Shingle Springs
- Shingletown
- Sierra Madre
- Signal Hill
- Simi Valley
- Sloughhouse
- Solana Beach
- Soledad
- Solvang
- Sonoma
- Sonora
- Soquel
- South El Monte
- South Gate
- South Lake Tahoe
- South Pasadena
- South San Francisco
- Spring Valley
- Squaw Valley
- Stanford
- Stanton
- Stevenson Ranch
- Stockton
- Strathmore
- Studio City
- Suisun City
- Sun City
- Sun Valley
- Sunland
- Sunnyvale
- Susanville
- Sutter Creek
- Sylmar