Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| South Fork Yellow River | Stream | | Taylor | 45 17 05 N | 090 36 18 W |
| South Gallagher Flowage | Reservoir | 298 | Wood | 44 20 13 N | 090 10 18 W |
| South Gate Park | Park | 254 | Rock | 42 38 52 N | 089 02 10 W |
| South Grove Cemetery | Cemetery | 296 | Walworth | 42 31 59 N | 088 44 48 W |
| South Hall | Building | 287 | Dane | 43 04 29 N | 089 24 12 W |
| South Hall | Building | 259 | Dunn | 44 52 18 N | 091 55 44 W |
| South Hall | Building | 275 | Pierce | 44 51 13 N | 092 37 25 W |
| South Hall | Building | 333 | Portage | 44 31 22 N | 089 34 04 W |
| South Harper Lake | Lake | 518 | Taylor | 45 21 49 N | 090 11 34 W |
| South High School | School | 283 | Waukesha | 42 59 36 N | 088 13 23 W |
| South Hill School (historical) | School | 361 | Pierce | 44 48 57 N | 092 15 29 W |
| South Hills Country Club | Locale | 238 | Racine | 42 45 38 N | 087 56 58 W |
| South Industrial Park | Locale | 252 | Jefferson | 42 59 17 N | 088 48 53 W |
| South Industrial Park | Locale | 247 | Sheboygan | 43 44 04 N | 087 56 44 W |
| South Itasca | Populated Place | 205 | Douglas | 46 39 42 N | 092 00 19 W |
| South Jetty Light | Locale | 176 | Ozaukee | 43 23 00 N | 087 51 51 W |
| South Jug Creek | Stream | | Vernon | 43 37 34 N | 090 35 26 W |
| South Kenosha | Populated Place | 189 | Kenosha | 42 32 25 N | 087 50 03 W |
| South La Crosse Southern Baptist Church | Church | 201 | La Crosse | 43 46 47 N | 091 13 08 W |
| South Lake | Lake | 354 | Florence | 45 53 18 N | 088 07 03 W |
| South Lake | Lake | 480 | Price | 45 57 37 N | 090 12 14 W |
| South Lakes | Lake | 361 | Sawyer | 45 41 21 N | 091 11 10 W |
| South Lakes Church | Church | 513 | Vilas | 46 01 52 N | 089 10 19 W |
| South Lawn Stock Farm | Locale | 222 | Richland | 43 12 56 N | 090 31 15 W |
| South Lawrence Cemetery | Cemetery | 214 | Brown | 44 21 59 N | 088 10 36 W |
| South Lawrence Cemetery | Cemetery | 382 | Rusk | 45 25 57 N | 090 49 21 W |
| South Lawrence Church | Church | 381 | Rusk | 45 25 30 N | 090 49 23 W |
| South Lawrence School (historical) | School | 373 | Rusk | 45 24 25 N | 090 49 26 W |
| South Lowville School | School | 313 | Columbia | 43 22 43 N | 089 19 45 W |
| South Madison | Populated Place | 261 | Dane | 43 03 21 N | 089 23 08 W |
| South Maine Cemetery | Cemetery | 239 | Outagamie | 44 31 59 N | 088 33 06 W |
| South Maine Church | Church | 239 | Outagamie | 44 31 58 N | 088 33 07 W |
| South Menomonee Canal | Canal | 178 | Milwaukee | 43 01 40 N | 087 55 57 W |
| South Middle School | School | 275 | Eau Claire | 44 46 53 N | 091 28 16 W |
| South Midwest Cranberry Company WP99 Dam | Dam | 306 | Burnett | 45 53 54 N | 092 02 19 W |
| South Mill Creek Holstein Farm | Locale | 212 | Richland | 43 12 57 N | 090 27 16 W |
| South Milltown School (historical) | School | 369 | Polk | 45 28 59 N | 092 30 31 W |
| South Milwaukee | Populated Place | 204 | Milwaukee | 42 54 38 N | 087 51 38 W |
| South Milwaukee City Hall | Building | 204 | Milwaukee | 42 54 41 N | 087 51 37 W |
| South Milwaukee High School | School | 202 | Milwaukee | 42 55 12 N | 087 52 12 W |
| South Milwaukee Middle School | School | 203 | Milwaukee | 42 55 04 N | 087 51 23 W |
| South Milwaukee Post Office | Post Office | 204 | Milwaukee | 42 54 33 N | 087 51 40 W |
| South Milwaukee Public Library | Building | 204 | Milwaukee | 42 54 44 N | 087 51 37 W |
| South Milwaukee Vocational School | School | 210 | Milwaukee | 42 54 33 N | 087 51 59 W |
| South Milwaukee Water Works | Locale | 180 | Milwaukee | 42 54 26 N | 087 50 40 W |
| South Milwaukee Yacht Club | Locale | 181 | Milwaukee | 42 54 25 N | 087 50 40 W |
| South Morgan School (historical) | School | 239 | Oconto | 44 46 33 N | 088 11 29 W |
| South Mound | Summit | 439 | Clark | 44 43 17 N | 090 44 52 W |
| South Natwick School (historical) | School | 380 | Vernon | 43 37 26 N | 090 55 11 W |
| South Nelson 1 D6519.1 Dam | Dam | 237 | Buffalo | 44 22 36 N | 091 56 43 W |
| South Neva Lake | Lake | 480 | Langlade | 45 16 04 N | 089 06 14 W |
| South New Hope Church | Church | 348 | Portage | 44 30 51 N | 089 15 51 W |
| South Park | Park | 266 | Sauk | 43 31 22 N | 090 00 04 W |
| South Park | Park | 259 | Waupaca | 44 20 55 N | 089 05 07 W |
| South Park | Park | 229 | Winnebago | 44 00 26 N | 088 33 16 W |
| South Park Kindergarten | School | 469 | Oneida | 45 37 60 N | 089 24 49 W |
| South Park Middle School | School | 232 | Winnebago | 44 00 15 N | 088 33 21 W |
| South Pier Light | Locale | 175 | Kenosha | 42 35 16 N | 087 48 26 W |
| South Pier Light | Locale | 177 | Manitowoc | 44 08 32 N | 087 33 41 W |
| South Pier Light | Locale | 177 | Milwaukee | 43 01 18 N | 087 53 42 W |
| South Pier Light | Locale | 177 | Ozaukee | 43 23 06 N | 087 51 50 W |
| South Pier Number One | Locale | 180 | Milwaukee | 43 01 07 N | 087 53 47 W |
| South Pier Two | Locale | 180 | Milwaukee | 43 01 03 N | 087 53 41 W |
| South Pierh Light | Locale | 183 | Douglas | 46 42 27 N | 092 00 45 W |
| South Pierh Light | Locale | 177 | Oconto | 44 53 52 N | 087 49 21 W |
| South Pierhead Light | Locale | 177 | Sheboygan | 43 44 55 N | 087 41 41 W |
| South Pine Lake | Lake | 475 | Oneida | 45 41 08 N | 089 24 36 W |
| South Point | Cape | 177 | Door | 45 19 54 N | 086 52 27 W |
| South Porter Cemetery | Cemetery | 282 | Rock | 42 46 18 N | 089 10 33 W |
| South Prairie School (historical) | School | 336 | Sheboygan | 43 43 53 N | 088 04 51 W |
| South Prairie School (historical) | School | 219 | Trempealeau | 44 02 45 N | 091 28 17 W |
| South Randolph | Populated Place | 281 | Dodge | 43 30 40 N | 088 59 56 W |
| South Range | Populated Place | 232 | Douglas | 46 36 29 N | 091 59 01 W |
| South Range | Range | 427 | Sauk | 43 24 49 N | 089 47 07 W |
| South Refuge Flowage | Reservoir | 286 | Burnett | 45 50 42 N | 092 37 33 W |
| South Residence Hall | Building | 188 | Kenosha | 42 37 09 N | 087 49 16 W |
| South Rice Lake | Lake | 343 | Marathon | 44 42 26 N | 089 55 56 W |
| South Ridge | Ridge | 399 | Monroe | 43 46 37 N | 090 31 18 W |
| South Ridge | Ridge | 354 | Vernon | 43 32 39 N | 091 05 56 W |
| South Ridge | Ridge | 376 | Vernon | 43 41 08 N | 090 59 46 W |
| South Ridge School | School | 416 | Monroe | 43 46 04 N | 090 29 00 W |
| South Ridge School (historical) | School | 366 | Vernon | 43 32 38 N | 091 06 06 W |
| South Road Cemetery | Cemetery | 265 | Jefferson | 43 08 48 N | 088 59 29 W |
| South Rush River Cemetery | Cemetery | 323 | Pierce | 44 46 23 N | 092 23 42 W |
| South Rush River School (historical) | School | 324 | Pierce | 44 47 23 N | 092 23 44 W |
| South School | School | 332 | Green | 42 35 31 N | 089 38 36 W |
| South School (historical) | School | 474 | Forest | 45 47 37 N | 088 41 48 W |
| South Shattuck Lake | Lake | 332 | Chippewa | 45 12 59 N | 091 24 54 W |
| South Shore High School | School | 194 | Bayfield | 46 46 50 N | 091 22 49 W |
| South Shore Marina | Locale | 201 | Bayfield | 46 51 29 N | 091 05 37 W |
| South Shore Park | Park | 177 | Milwaukee | 42 59 50 N | 087 52 58 W |
| South Shore Yacht Club | Locale | 177 | Milwaukee | 42 59 51 N | 087 52 57 W |
| South Side Municipal Beach | Park | 177 | Sheboygan | 43 44 31 N | 087 42 33 W |
| South Side Public School (historical) | School | 261 | Chippewa | 44 55 36 N | 091 23 30 W |
| South Side School (historical) | School | 464 | Iron | 46 26 55 N | 090 11 06 W |
| South Slip Number One | Locale | 180 | Milwaukee | 43 01 13 N | 087 53 47 W |
| South Slip Number Three | Locale | 178 | Milwaukee | 43 01 01 N | 087 53 37 W |
| South Slip Number Two | Locale | 180 | Milwaukee | 43 01 06 N | 087 53 54 W |
| South Spencer-Robinson Ditch | Canal | 278 | Juneau | 44 01 50 N | 090 08 18 W |
| South Superior | Populated Place | 205 | Douglas | 46 40 10 N | 092 05 43 W |
| South Superior Post Office | Post Office | 205 | Douglas | 46 40 04 N | 092 06 17 W |
| South Survey School | School | 363 | Iowa | 42 55 02 N | 090 09 08 W |
| South Tiffany Creek | Stream | | St. Croix | 45 02 51 N | 092 10 01 W |
| South Towne Plaza Shopping Center | Locale | 263 | Dane | 43 02 41 N | 089 21 03 W |
| South Turtle Lake | Lake | 495 | Vilas | 46 12 34 N | 089 53 46 W |
| South Twin Island | Island | 193 | Ashland | 47 01 60 N | 090 38 41 W |
| South Twin Lake | Lake | 295 | Burnett | 45 46 10 N | 092 13 51 W |
| South Twin Lake | Lake | 324 | Polk | 45 18 28 N | 092 22 15 W |
| South Twin Lake | Lake | 440 | Taylor | 45 16 23 N | 090 26 14 W |
| South Twin Lake | Lake | 299 | Washburn | 46 03 45 N | 091 57 41 W |