Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Cuff Lake | Lake | 262 | Columbia | 43 36 31 N | 089 18 13 W |
| Cuffy Knob | Summit | 289 | Jackson | 44 11 15 N | 091 01 57 W |
| Cuffy Knob School (historical) | School | 262 | Jackson | 44 11 10 N | 091 01 46 W |
| Culbert School (historical) | School | 288 | Chippewa | 44 51 53 N | 091 20 49 W |
| Culbertson Lake | Lake | 293 | Burnett | 45 58 04 N | 092 12 51 W |
| Culbertson Springs State Fishery Area | Park | 296 | Burnett | 45 57 28 N | 092 12 56 W |
| Cullen | Populated Place | 183 | Oconto | 44 57 42 N | 087 51 11 W |
| Cullen Cemetery | Cemetery | 184 | Oconto | 44 57 18 N | 087 51 11 W |
| Culpitt Coulee | Valley | | La Crosse | 43 56 57 N | 090 57 35 W |
| Culver Branch | Stream | | Grant | 42 45 19 N | 090 36 39 W |
| Culver Cemetery | Cemetery | 232 | Iowa | 43 09 46 N | 089 50 20 W |
| Culver Park | Park | 207 | Milwaukee | 43 03 19 N | 087 55 24 W |
| Cumberland | Populated Place | 379 | Barron | 45 31 56 N | 092 01 10 W |
| Cumberland City Hall | Building | 381 | Barron | 45 32 05 N | 092 01 16 W |
| Cumberland City Water Works | Locale | 383 | Barron | 45 32 23 N | 092 01 27 W |
| Cumberland Elementary School | School | 379 | Barron | 45 32 17 N | 092 01 16 W |
| Cumberland Elementary School | School | 198 | Milwaukee | 43 06 11 N | 087 53 47 W |
| Cumberland Golf Club | Locale | 387 | Barron | 45 33 05 N | 092 03 22 W |
| Cumberland High School | School | 390 | Barron | 45 31 45 N | 092 01 48 W |
| Cumberland Memorial Hospital | Hospital | 387 | Barron | 45 31 52 N | 092 01 43 W |
| Cumberland Middle School | School | 390 | Barron | 45 31 45 N | 092 01 46 W |
| Cumberland Municipal Airport | Airport | 377 | Barron | 45 30 25 N | 091 58 51 W |
| Cumberland Post Office | Post Office | 381 | Barron | 45 32 02 N | 092 01 16 W |
| Cumberland Public Library | Building | 382 | Barron | 45 32 03 N | 092 01 18 W |
| Cumming Slip | Harbor | 183 | Douglas | 46 44 22 N | 092 05 47 W |
| Cummings Cemetery | Cemetery | 243 | Columbia | 43 36 19 N | 089 33 53 W |
| Cummings Dam | Dam | 439 | Price | 45 52 43 N | 090 25 05 W |
| Cunard Lake | Lake | 484 | Oneida | 45 50 55 N | 089 35 24 W |
| Cunningham Airport | Airport | 329 | Clark | 44 31 47 N | 090 25 09 W |
| Cunningham Creek | Stream | | Clark | 44 31 58 N | 090 36 07 W |
| Cunningham Elementary School | School | 246 | Rock | 42 30 32 N | 089 03 44 W |
| Cunningham Museum | Building | 331 | Grant | 42 50 52 N | 090 42 31 W |
| Cunningham School (historical) | School | 315 | Clark | 44 31 26 N | 090 28 37 W |
| Cunningham Swamp | Swamp | 215 | Door | 44 49 13 N | 087 27 04 W |
| Curran | Populated Place | 229 | Kewaunee | 44 21 22 N | 087 44 44 W |
| Curran Cemetery | Cemetery | 274 | Jackson | 44 20 59 N | 091 04 30 W |
| Curran Coulee | Valley | | Jackson | 44 21 07 N | 091 04 57 W |
| Curran Coulee Cemetery | Cemetery | 299 | Jackson | 44 22 42 N | 091 06 53 W |
| Curran School | School | 473 | Oneida | 45 38 05 N | 089 24 27 W |
| Curran Valley School (historical) | School | 288 | Jackson | 44 22 42 N | 091 05 45 W |
| Currey Flowage | Swamp | 288 | Burnett | 45 53 17 N | 092 37 29 W |
| Currie Lake | Lake | 465 | Oneida | 45 41 43 N | 089 41 45 W |
| Currie Park | Park | 225 | Milwaukee | 43 04 58 N | 088 03 07 W |
| Currie Park Shopping Center | Locale | 225 | Milwaukee | 43 05 24 N | 088 02 55 W |
| Currier Lake | Lake | 421 | Sawyer | 46 02 27 N | 091 11 60 W |
| Curtin Elementary School | School | 201 | Milwaukee | 42 58 55 N | 087 57 14 W |
| Curtis 2WP1601 Dam | Dam | 245 | Columbia | 43 29 18 N | 089 20 24 W |
| Curtis Cemetery | Cemetery | 322 | Jackson | 44 29 55 N | 090 57 49 W |
| Curtis Creek | Stream | | Columbia | 43 29 53 N | 089 21 19 W |
| Curtis Lake | Lake | 484 | Oneida | 45 53 03 N | 089 46 18 W |
| Curtis Lake | Lake | 266 | Waushara | 44 00 15 N | 089 25 42 W |
| Curtis Lake | Reservoir | 245 | Columbia | 43 29 16 N | 089 20 19 W |
| Curtis Landing Strip | Airport | 284 | Columbia | 43 25 14 N | 089 22 17 W |
| Curtiss | Populated Place | 416 | Clark | 44 57 19 N | 090 26 04 W |
| Curtiss Cemetery | Cemetery | 418 | Clark | 44 57 28 N | 090 26 54 W |
| Curve Lake | Lake | 417 | Forest | 45 25 36 N | 088 32 58 W |
| Curve Lake | Lake | 510 | Vilas | 46 07 42 N | 089 13 13 W |
| Cushing | Populated Place | 308 | Polk | 45 34 14 N | 092 39 04 W |
| Cushing Elementary School | School | 286 | Waukesha | 43 03 24 N | 088 24 18 W |
| Cushing Memorial State Park | Park | 277 | Waukesha | 43 03 42 N | 088 24 55 W |
| Cushing School | School | 299 | Polk | 45 34 16 N | 092 40 20 W |
| Cushman Cemetery | Cemetery | 256 | Jefferson | 42 57 44 N | 088 40 17 W |
| Cushman Dam | Dam | 247 | Jefferson | 42 57 39 N | 088 40 15 W |
| Cushman Lake 122 | Reservoir | 253 | Jefferson | 42 57 36 N | 088 40 12 W |
| Cushman Mill School | School | 253 | Jefferson | 42 57 22 N | 088 40 20 W |
| Cushman Pond | Reservoir | 247 | Jefferson | 42 57 39 N | 088 40 15 W |
| Cusick Number 1 G3448 Dam | Dam | 329 | Juneau | 43 43 36 N | 090 13 54 W |
| Cusick Number 2 G 3448 Dam | Dam | 317 | Juneau | 43 42 54 N | 090 12 54 W |
| Custer | Populated Place | 354 | Portage | 44 30 38 N | 089 25 34 W |
| Custer High School | School | 201 | Milwaukee | 43 06 35 N | 087 58 03 W |
| Cutler | Populated Place | 282 | Juneau | 44 01 33 N | 090 14 12 W |
| Cutler Creek | Stream | | Iowa | 43 00 40 N | 090 02 38 W |
| Cutler Ditch | Canal | 277 | Juneau | 44 01 45 N | 090 16 01 W |
| Cutler Park | Park | 251 | Waukesha | 43 00 32 N | 088 13 57 W |
| Cutoff School (historical) | School | 241 | Waupaca | 44 19 22 N | 088 49 06 W |
| Cutter | Populated Place | 222 | Douglas | 46 37 59 N | 091 57 32 W |
| Cycle Lake | Lake | 484 | Ashland | 46 05 11 N | 090 25 49 W |
| Cyclone Lake | Lake | 318 | Washburn | 45 49 43 N | 091 56 31 W |
| Cylon | Populated Place | 323 | St. Croix | 45 07 20 N | 092 21 11 W |
| Cylon Church | Church | 323 | St. Croix | 45 08 13 N | 092 22 38 W |
| Cylon School (historical) | School | 323 | St. Croix | 45 08 13 N | 092 22 01 W |
| Cylon State Public Hunting Grounds | Park | 317 | St. Croix | 45 10 19 N | 092 20 21 W |
| Cynthia Slough | Gut | 212 | Sauk | 43 09 37 N | 090 04 17 W |
| Czechs National Cemetery | Cemetery | 288 | Richland | 43 33 12 N | 090 26 22 W |
| Czechville | Populated Place | 207 | Buffalo | 44 11 14 N | 091 46 25 W |
| D C Everest High School | School | 378 | Marathon | 44 53 50 N | 089 35 40 W |
| D C Everest House | Building | 415 | Marathon | 44 57 52 N | 089 36 45 W |
| D C Everest Junior High School | School | 366 | Marathon | 44 53 60 N | 089 36 19 W |
| D C Everest Park | Park | 356 | Marathon | 44 56 20 N | 089 38 21 W |
| D E Hall County Park | Park | 178 | Oconto | 44 57 14 N | 087 48 57 W |
| D L Lake | Lake | 487 | Oneida | 45 46 60 N | 089 30 46 W |
| D R Moon Memorial Library | Building | 339 | Chippewa | 44 57 44 N | 090 56 08 W |
| D'Amour Lake | Lake | 381 | Marinette | 45 35 29 N | 088 18 14 W |
| Dacada | Populated Place | 253 | Sheboygan | 43 32 36 N | 087 54 31 W |
| Dach Ridge | Ridge | 339 | Vernon | 43 30 57 N | 090 55 50 W |
| DaCourcey School (historical) | School | 395 | Marathon | 45 01 01 N | 089 54 21 W |
| Dads Lake | Lake | 501 | Vilas | 45 59 40 N | 089 24 59 W |
| Daggets Creek | Stream | | Winnebago | 44 05 36 N | 088 37 59 W |
| Daggett Coulee | Valley | | Trempealeau | 44 24 15 N | 091 14 48 W |
| Daggett School (historical) | School | 258 | Trempealeau | 44 24 06 N | 091 14 37 W |
| Dahl | Populated Place | 379 | St. Croix | 44 59 25 N | 092 19 07 W |
| Dahl Creek | Stream | | Bayfield | 46 34 37 N | 091 29 13 W |
| Dahl G9844 Dam | Dam | 300 | Burnett | 45 44 48 N | 092 18 07 W |
| Dahl Lake | Lake | 367 | Polk | 45 34 11 N | 092 20 47 W |
| Dahlen School (historical) | School | 246 | La Crosse | 43 43 34 N | 090 55 47 W |
| Dahls Siding (historical) | Locale | 438 | Florence | 45 58 25 N | 088 36 42 W |
| Dahlstrom Branch | Stream | | Washburn | 45 47 28 N | 091 58 22 W |
| Daily Northwestern Building | Building | 231 | Winnebago | 44 00 59 N | 088 32 09 W |
| Dairy Belt School (historical) | School | 352 | Wood | 44 32 24 N | 090 08 23 W |
| Dairy Center | Locale | 365 | Rusk | 45 34 52 N | 091 01 44 W |