Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Campbellsport Elementary School | School | 326 | Fond du Lac | 43 36 07 N | 088 17 17 W |
| Campbellsport High School | School | 328 | Fond du Lac | 43 36 09 N | 088 17 22 W |
| Campbellsport Millpond | Reservoir | 303 | Fond du Lac | 43 35 55 N | 088 16 15 W |
| Campbellsport Millpond 54 | Reservoir | 306 | Fond du Lac | 43 35 54 N | 088 16 12 W |
| Campbellsport Public Library | Building | 320 | Fond du Lac | 43 35 52 N | 088 16 58 W |
| Campbellsport United Church of Christ | Church | 318 | Fond du Lac | 43 35 51 N | 088 16 52 W |
| Campbellsport Village Hall | Building | 319 | Fond du Lac | 43 35 52 N | 088 16 57 W |
| Campground Creek | Stream | | Fond du Lac | 43 42 02 N | 088 34 19 W |
| Campground Hill | Summit | 322 | Jackson | 44 15 12 N | 090 30 37 W |
| Campground Number Five | Locale | 280 | Juneau | 44 02 23 N | 090 09 37 W |
| Campground Number Four | Locale | 287 | Juneau | 44 07 28 N | 090 15 38 W |
| Campground Number One | Locale | 294 | Juneau | 44 12 55 N | 090 13 16 W |
| Campground Number Two | Locale | 291 | Juneau | 44 11 04 N | 090 13 30 W |
| Campia | Populated Place | 357 | Barron | 45 32 15 N | 091 39 57 W |
| Campine Lake | Lake | 465 | Oneida | 45 37 56 N | 089 40 15 W |
| Campus School | School | 207 | Milwaukee | 43 04 31 N | 087 53 03 W |
| Cana Cove | Bay | 177 | Door | 45 05 55 N | 087 03 05 W |
| Cana Island | Island | 179 | Door | 45 05 17 N | 087 02 58 W |
| Cana Island Light | Locale | 177 | Door | 45 05 17 N | 087 02 52 W |
| Canaan Baptist Church | Church | 208 | Milwaukee | 43 04 22 N | 087 55 32 W |
| Canaan Baptist Church Education Building | School | 208 | Milwaukee | 43 04 22 N | 087 55 30 W |
| Canada Ridge | Ridge | 374 | Buffalo | 44 13 54 N | 091 41 42 W |
| Canary (historical) | School | 267 | Waupaca | 44 33 12 N | 088 50 20 W |
| Candy Corners | Locale | 275 | Eau Claire | 44 42 45 N | 091 35 60 W |
| Candy Corners School (historical) | School | 271 | Eau Claire | 44 43 10 N | 091 36 01 W |
| Cannon Branch | Stream | | Grant | 42 47 44 N | 090 36 38 W |
| Cannon Park | Park | 232 | Milwaukee | 43 01 50 N | 088 01 48 W |
| Cannon Valley | Valley | | Monroe | 43 50 48 N | 090 48 23 W |
| Cannon Valley School | School | 277 | Monroe | 43 48 16 N | 090 49 25 W |
| Canon Creek | Stream | | Lafayette | 42 47 13 N | 089 59 36 W |
| Canteen Lake | Lake | 516 | Vilas | 46 13 14 N | 089 39 16 W |
| Canterbury Elementary School | School | 237 | Milwaukee | 42 56 26 N | 088 00 03 W |
| Canterbury Hills Park | Park | 255 | Waukesha | 43 03 44 N | 088 10 32 W |
| Canterbury Park | Park | 197 | Brown | 44 30 04 N | 088 04 19 W |
| Canthook Lake | Lake | 338 | Bayfield | 46 28 19 N | 091 21 27 W |
| Canton | Populated Place | 336 | Barron | 45 25 41 N | 091 39 36 W |
| Canton United Methodist Church | Church | 336 | Barron | 45 25 42 N | 091 39 43 W |
| Canty Park Recreation Site | Locale | 522 | Vilas | 46 09 20 N | 089 18 21 W |
| Canute Creek Flowage | Reservoir | 272 | Burnett | 45 42 24 N | 092 41 19 W |
| Canyon Park Creek | Stream | | Iowa | 43 00 50 N | 090 02 34 W |
| Cap Creek | Stream | | Bayfield | 46 11 54 N | 091 14 14 W |
| Cap Henry Lake | Lake | 485 | Iron | 46 00 44 N | 090 01 20 W |
| Capitol Airport | Airport | 255 | Waukesha | 43 05 15 N | 088 10 40 W |
| Capitol Court Shopping Center | Locale | 205 | Milwaukee | 43 05 32 N | 087 59 03 W |
| Capitol Drive Lutheran Church | Church | 207 | Milwaukee | 43 05 23 N | 087 58 47 W |
| Capitol Hospital | Hospital | 207 | Milwaukee | 43 05 21 N | 087 56 10 W |
| Capitol Square | Park | 281 | Dane | 43 04 28 N | 089 23 03 W |
| Capitola Lake | Lake | 463 | Lincoln | 45 31 10 N | 089 33 19 W |
| Capoli Slough | Gut | 189 | Crawford | 43 19 28 N | 091 07 06 W |
| Caps Creek | Stream | | Oneida | 45 45 50 N | 089 52 14 W |
| Carcajou | Populated Place | 243 | Jefferson | 42 53 23 N | 088 57 43 W |
| Cardinal Meyer Library | Building | 233 | Fond du Lac | 43 46 39 N | 088 25 14 W |
| Cardinal Stritch College | School | 216 | Milwaukee | 43 08 25 N | 087 54 27 W |
| Carey School (historical) | School | 348 | Marathon | 44 41 13 N | 089 55 35 W |
| Cargill United Methodist Church | Church | 263 | Rock | 42 41 26 N | 088 59 52 W |
| Carhart Farms Airport | Airport | 225 | Trempealeau | 44 03 05 N | 091 22 35 W |
| Carl D4803 Dam | Dam | 301 | Lincoln | 44 16 12 N | 089 51 36 W |
| Carl E Steiger Park | Park | 228 | Winnebago | 44 01 08 N | 088 33 00 W |
| Carl Schurz Monument | Locale | 229 | Winnebago | 44 01 05 N | 088 30 59 W |
| Carleton A Friday Memorial Library | Building | 299 | St. Croix | 45 07 23 N | 092 32 12 W |
| Carleton Elementary School | School | 211 | Milwaukee | 43 07 11 N | 087 57 50 W |
| Carlin Dam | Dam | 259 | Jefferson | 42 53 12 N | 088 33 30 W |
| Carlin Lake | Lake | 499 | Vilas | 46 11 55 N | 089 46 47 W |
| Carlson Airport | Airport | 207 | Douglas | 46 37 15 N | 092 04 55 W |
| Carlson Airport | Airport | 277 | Eau Claire | 44 43 25 N | 091 27 36 W |
| Carlson Creek | Stream | | Douglas | 46 17 25 N | 091 53 30 W |
| Carlson Creek | Stream | | Marathon | 44 45 50 N | 090 14 15 W |
| Carlson Creek | Stream | | Oneida | 45 33 46 N | 089 26 05 W |
| Carlson Hall | Building | 261 | Walworth | 42 50 17 N | 088 44 45 W |
| Carlson Island | Island | 359 | Polk | 45 28 01 N | 092 25 49 W |
| Carlson School (historical) | School | 337 | Barron | 45 13 17 N | 091 34 21 W |
| Carlson School (historical) | School | 325 | Jackson | 44 34 57 N | 091 04 59 W |
| Carlsville | Populated Place | 222 | Door | 44 57 06 N | 087 20 12 W |
| Carlton School (historical) | School | 209 | Kewaunee | 44 23 33 N | 087 32 30 W |
| Carlyle School (historical) | School | 307 | Clark | 44 29 55 N | 090 33 49 W |
| Carmel | Populated Place | 265 | Waupaca | 44 26 45 N | 088 47 53 W |
| Carmel Church | Church | 289 | Iowa | 42 49 30 N | 090 21 12 W |
| Carmichael School (historical) | School | 335 | Pierce | 44 35 26 N | 092 14 46 W |
| Carnegie | Populated Place | 225 | Douglas | 46 37 60 N | 092 11 34 W |
| Carnegie Library | Building | 185 | Door | 44 50 05 N | 087 22 31 W |
| Carnegie Public Library (historical) | Building | 180 | Brown | 44 30 44 N | 088 00 49 W |
| Carnegie Public Library (historical) | Building | 185 | Manitowoc | 44 05 44 N | 087 39 29 W |
| Carnegie Public Library (historical) | Building | 332 | Portage | 44 31 22 N | 089 34 48 W |
| Carnegie Public Library (historical) | Building | 237 | Rock | 42 40 53 N | 089 01 15 W |
| Carney Rapids | Rapids | 342 | Marinette | 45 37 26 N | 088 09 57 W |
| Carnot | Populated Place | 205 | Door | 44 42 18 N | 087 25 07 W |
| Caro Timber Picnic Ground (historical) | Locale | 479 | Price | 45 53 31 N | 090 03 21 W |
| Carol Beach | Populated Place | 175 | Kenosha | 42 30 44 N | 087 48 33 W |
| Caroline | Populated Place | 280 | Shawano | 44 43 15 N | 088 53 29 W |
| Caroline 1885c282 Dam | Dam | 278 | Shawano | 44 43 24 N | 088 53 30 W |
| Caroline Hall | Building | 216 | Milwaukee | 43 04 18 N | 088 01 51 W |
| Caroline Hall | Building | 216 | Milwaukee | 43 04 18 N | 088 01 51 W |
| Caroline Lake | Lake | 464 | Ashland | 46 16 23 N | 090 33 14 W |
| Caroline Lake State Natural Area | Park | | Iron | 46 16 33 N | 090 32 24 W |
| Caroline Pond 247 | Reservoir | 278 | Shawano | 44 43 24 N | 088 53 30 W |
| Carow Park | Park | 484 | Iron | 46 10 32 N | 090 02 56 W |
| Carp Lake | Lake | 434 | Price | 45 49 59 N | 090 39 49 W |
| Carpenter Building | Building | 183 | Milwaukee | 43 02 21 N | 087 55 07 W |
| Carpenter Cemetery | Cemetery | 263 | Trempealeau | 44 19 03 N | 091 16 21 W |
| Carpenter Creek | Stream | | Iron | 46 33 54 N | 090 26 55 W |
| Carpenter Creek | Stream | | Price | 45 41 04 N | 090 33 47 W |
| Carpenter Creek | Stream | | Waushara | 44 09 00 N | 089 03 59 W |
| Carpenter Lake | Lake | 401 | Sawyer | 45 54 01 N | 091 11 27 W |
| Carpenter Lake | Lake | 500 | Vilas | 45 56 40 N | 089 08 52 W |
| Carpenter Lateral | Canal | 284 | Juneau | 44 05 13 N | 090 12 22 W |
| Carpenter School | School | 327 | Douglas | 46 10 31 N | 092 13 01 W |
| Carpenter School | School | 189 | Douglas | 46 43 52 N | 092 05 57 W |
| Carpenter School | School | 342 | Iowa | 42 52 15 N | 090 23 54 W |
| Carpenter School (historical) | School | 326 | Douglas | 46 10 29 N | 092 12 59 W |
| Carpenter School (historical) | School | 410 | Marathon | 44 55 45 N | 089 23 15 W |