Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Washington County Courthouse | Building | 281 | Washington | 43 25 38 N | 088 10 22 W |
| Washington County Historical Museum | Building | 283 | Washington | 43 25 11 N | 088 10 58 W |
| Washington Creek | Stream | | Taylor | 45 09 04 N | 090 28 34 W |
| Washington Creek Flowage | Reservoir | 325 | Rusk | 45 19 42 N | 091 14 07 W |
| Washington Creek State Wildlife Management Area | Park | 325 | Rusk | 45 20 04 N | 091 14 31 W |
| Washington Creek Wildlife Area Dam | Dam | 325 | Rusk | 45 19 42 N | 091 14 07 W |
| Washington Elementary School | School | 274 | Dodge | 43 28 07 N | 088 50 18 W |
| Washington Elementary School | School | 272 | Dodge | 43 37 53 N | 088 43 07 W |
| Washington Elementary School | School | 236 | Green Lake | 43 58 05 N | 088 57 25 W |
| Washington Elementary School | School | 391 | Lincoln | 45 11 07 N | 089 40 23 W |
| Washington Elementary School | School | 183 | Marinette | 45 06 09 N | 087 38 24 W |
| Washington Elementary School | School | 334 | Portage | 44 31 40 N | 089 33 03 W |
| Washington Elementary School | School | 379 | Richland | 43 25 25 N | 090 36 28 W |
| Washington Elementary School | School | 195 | Sheboygan | 43 46 08 N | 087 43 15 W |
| Washington Elementary School | School | 255 | Walworth | 42 50 04 N | 088 43 17 W |
| Washington Elementary School | School | 243 | Waukesha | 42 50 33 N | 088 11 47 W |
| Washington Elementary School | School | 231 | Winnebago | 44 00 59 N | 088 31 28 W |
| Washington Elementary School | School | 229 | Winnebago | 44 11 01 N | 088 27 39 W |
| Washington Elementary School | School | 316 | Wood | 44 23 47 N | 089 47 27 W |
| Washington Elementary School | School | 390 | Wood | 44 39 56 N | 090 10 59 W |
| Washington Flowage | Reservoir | 433 | Taylor | 45 11 24 N | 090 26 09 W |
| Washington Flowage 1-16-5 | Reservoir | 433 | Taylor | 45 11 24 N | 090 26 07 W |
| Washington Harbor | Bay | 176 | Door | 45 24 24 N | 086 55 23 W |
| Washington Heights School (historical) | School | 435 | Marathon | 45 00 09 N | 089 51 52 W |
| Washington High School | School | 183 | Manitowoc | 44 09 34 N | 087 34 05 W |
| Washington High School | School | 217 | Milwaukee | 43 03 54 N | 087 58 05 W |
| Washington Island | Island | 215 | Door | 45 22 38 N | 086 54 03 W |
| Washington Island Airport | Airport | 195 | Door | 45 23 15 N | 086 55 30 W |
| Washington Island Elementary School | School | 188 | Door | 45 21 41 N | 086 55 46 W |
| Washington Island Farm Museum | Building | 194 | Door | 45 23 40 N | 086 55 12 W |
| Washington Island High School | School | 189 | Door | 45 21 43 N | 086 55 46 W |
| Washington Junior High School | School | 343 | Barron | 45 30 01 N | 091 44 12 W |
| Washington Junior High School | School | 184 | Kenosha | 42 35 56 N | 087 49 16 W |
| Washington Junior High School | School | 196 | Manitowoc | 44 04 49 N | 087 40 32 W |
| Washington Junior High School | School | 180 | Oconto | 44 53 27 N | 087 52 15 W |
| Washington Junior High School | School | 242 | Waupaca | 44 23 10 N | 088 44 43 W |
| Washington Lake | Lake | 244 | Shawano | 44 49 37 N | 088 29 30 W |
| Washington Manor Park | Park | 260 | Dane | 43 06 31 N | 089 20 31 W |
| Washington Middle School | School | 181 | Brown | 44 30 15 N | 087 59 53 W |
| Washington Middle School | School | 226 | Oconto | 44 52 28 N | 088 08 21 W |
| Washington Park | Park | 192 | Douglas | 46 42 02 N | 092 02 47 W |
| Washington Park | Park | 260 | Jefferson | 43 11 03 N | 088 42 43 W |
| Washington Park | Park | 182 | Kenosha | 42 35 58 N | 087 49 48 W |
| Washington Park | Park | 442 | Lincoln | 45 28 24 N | 089 43 42 W |
| Washington Park | Park | 185 | Manitowoc | 44 05 16 N | 087 39 45 W |
| Washington Park | Park | 182 | Racine | 42 42 58 N | 087 48 31 W |
| Washington Park | Park | 226 | Winnebago | 44 10 50 N | 088 28 26 W |
| Washington Park English Lutheran Church | Church | 232 | Milwaukee | 43 03 24 N | 087 58 56 W |
| Washington Park Zoo | Park | 219 | Milwaukee | 43 03 11 N | 087 58 04 W |
| Washington Playground | Park | 209 | Milwaukee | 43 00 53 N | 087 59 20 W |
| Washington School | School | 261 | Dane | 43 04 13 N | 089 23 43 W |
| Washington School | School | 229 | Fond du Lac | 43 47 06 N | 088 27 01 W |
| Washington School | School | 208 | Kenosha | 42 38 25 N | 087 53 06 W |
| Washington School | School | 371 | Marathon | 44 57 36 N | 089 37 33 W |
| Washington School | School | 456 | Marathon | 45 07 16 N | 090 07 36 W |
| Washington School | School | 216 | Milwaukee | 42 57 26 N | 087 51 34 W |
| Washington School | School | 219 | Milwaukee | 43 03 32 N | 087 59 49 W |
| Washington School | School | 244 | Outagamie | 44 16 03 N | 088 25 08 W |
| Washington School | School | 214 | Ozaukee | 43 21 26 N | 087 53 12 W |
| Washington School | School | 257 | Rock | 42 41 32 N | 089 02 23 W |
| Washington School | School | 315 | Washington | 43 19 26 N | 088 22 45 W |
| Washington School (historical) | School | 323 | Barron | 45 13 47 N | 091 42 03 W |
| Washington School (historical) | School | 320 | Clark | 44 31 28 N | 090 32 17 W |
| Washington School (historical) | School | 278 | Eau Claire | 44 48 02 N | 091 20 49 W |
| Washington School (historical) | School | 233 | Fond du Lac | 43 48 48 N | 088 28 54 W |
| Washington School (historical) | School | 227 | Kewaunee | 44 36 28 N | 087 41 36 W |
| Washington School (historical) | School | 222 | La Crosse | 43 45 59 N | 091 09 00 W |
| Washington School (historical) | School | 186 | Marinette | 45 03 02 N | 087 39 26 W |
| Washington School (historical) | School | 369 | Polk | 45 26 20 N | 092 14 21 W |
| Washington School (historical) | School | 367 | Portage | 44 37 56 N | 089 21 48 W |
| Washington School (historical) | School | 274 | Trempealeau | 44 11 15 N | 091 09 10 W |
| Washington School (historical) | School | 293 | Washington | 43 31 14 N | 088 08 40 W |
| Washington School (historical) | School | 369 | Wood | 44 35 04 N | 090 15 33 W |
| Washington Square | Park | 371 | Marathon | 44 57 35 N | 089 37 40 W |
| Washington Square Shopping Center | Locale | 386 | Wood | 44 39 42 N | 090 10 37 W |
| Washington Townhall | Building | 327 | Rusk | 45 19 43 N | 091 13 53 W |
| Washington Township Cemetery | Cemetery | 190 | Door | 45 23 46 N | 086 55 43 W |
| Washwood Pond | Reservoir | 302 | Clark | 44 25 36 N | 090 26 13 W |
| Waste Valley | Valley | | Buffalo | 44 33 34 N | 091 39 39 W |
| Waste Valley School (historical) | School | 261 | Buffalo | 44 32 07 N | 091 39 31 W |
| Water Division School (historical) | School | 251 | Brown | 44 29 16 N | 087 48 59 W |
| Water Mill Dam | Dam | 289 | Monroe | 44 03 21 N | 090 27 45 W |
| Water Mill Pond | Reservoir | 289 | Monroe | 44 03 21 N | 090 27 45 W |
| Water Mill Pond 14 | Reservoir | 289 | Monroe | 44 03 18 N | 090 27 48 W |
| Water Mill School (historical) | School | 294 | Monroe | 44 03 07 N | 090 28 32 W |
| Water Park | Park | 448 | Lincoln | 45 27 36 N | 089 43 54 W |
| Water Power Lake | Lake | 512 | Langlade | 45 21 14 N | 089 12 37 W |
| Water Tower Park | Park | 251 | Racine | 42 40 56 N | 088 17 08 W |
| Waterbury | Populated Place | 287 | Jackson | 44 23 07 N | 090 35 54 W |
| Watercress Creek | Stream | | Sheboygan | 43 41 13 N | 088 10 01 W |
| Waterford | Populated Place | 236 | Racine | 42 45 47 N | 088 12 51 W |
| Waterford 3WR1680 Dam | Dam | 236 | Racine | 42 45 54 N | 088 12 48 W |
| Waterford High School | School | 243 | Racine | 42 45 50 N | 088 13 07 W |
| Waterfowl Flowage | Reservoir | 373 | Taylor | 45 17 35 N | 090 51 17 W |
| Waterloo | Populated Place | 247 | Jefferson | 43 11 02 N | 088 59 18 W |
| Waterloo Elementary School | School | 258 | Jefferson | 43 11 28 N | 088 59 31 W |
| Waterloo High School | School | 262 | Jefferson | 43 11 33 N | 088 59 32 W |
| Waterloo Millpond 87 | Reservoir | 253 | Jefferson | 43 10 54 N | 089 00 18 W |
| Waterloo Post Office | Post Office | 246 | Jefferson | 43 11 02 N | 088 59 32 W |
| Waterloo Prairie State Natural Area | Park | 244 | Jefferson | 43 10 25 N | 088 56 35 W |
| Waterloo School | School | 332 | Iowa | 42 54 02 N | 090 24 14 W |
| Waterloo School (historical) | School | 233 | La Crosse | 43 53 56 N | 091 08 00 W |
| Waterman School | School | 241 | Rock | 42 31 31 N | 089 01 43 W |
| Waters Elementary School | School | 235 | Fond du Lac | 43 45 54 N | 088 26 12 W |
| Waters Valley | Valley | | Buffalo | 44 17 55 N | 091 40 47 W |
| Watersmeet Lake | Lake | 493 | Vilas | 45 54 41 N | 089 17 32 W |
| Watersmeet Lake 533 | Reservoir | 493 | Vilas | 45 54 12 N | 089 19 12 W |
| Watertown | Populated Place | 261 | Jefferson | 43 11 41 N | 088 43 44 W |
| Watertown City Hall | Building | 250 | Jefferson | 43 11 41 N | 088 43 27 W |
| Watertown Country Club | Locale | 251 | Dodge | 43 13 30 N | 088 43 45 W |