Wisconsin Neighborhoods S
- Sak's Woods (10)
- Schmitt Park (2)
- Seymour Park (1)
- Sheboygan Falls/Kohler (9)
- Sheridan Park (4)
- Sherman (9)
- Sherman Park (8)
- Sherman Terrace (3)
- Shorecrest (1)
- Shorewood/Whitefish Bay (1)
- Silver City (5)
- Silver Spring (8)
- Silverswan (2)
- Smith's Crossing (7)
- South Appleton (9)
- South Madison (8)
- South Pier (5)
- Southpoint (3)
- Springs (3)
- St Aemilian's (1)
- St Croix Far Eastern Suburbs (25)
- St Joseph's (6)
- St Peter's (2)
- Starlite (5)
- Stocker (2)
- Story Hill (1)
- Sturtevant (9)
- Sturtevant Village (1)
- Suburban Fond du Lac (8)
- Sunset Heights (4)
- Sunset Heights-Waukesha (3)
- Sunset Hills (1)
- Sunset Village (10)
- Swan Creek (1)
- Swift (1)