Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Long Lake | Reservoir | 218 | Sauk | 43 10 36 N | 090 10 00 W |
| Long Lake Flowage 3WR237 Dam | Dam | 218 | Sauk | 43 10 36 N | 090 10 00 W |
| Loreta | Populated Place | 356 | Sauk | 43 20 44 N | 090 06 26 W |
| Lost Canyon | Valley | | Sauk | 43 35 38 N | 089 46 50 W |
| Lower Dells | Valley | 255 | Sauk | 43 36 51 N | 089 46 37 W |
| Lower Dells School (historical) | School | 255 | Sauk | 43 34 60 N | 089 44 49 W |
| Lower Narrows | Gap | 245 | Sauk | 43 29 48 N | 089 37 50 W |
| Lower Narrows School (historical) | School | 251 | Sauk | 43 30 13 N | 089 37 21 W |
| Madison Street School | School | 229 | Sauk | 43 16 22 N | 089 43 33 W |
| Magruder G5279 Dam | Dam | 296 | Sauk | 43 37 06 N | 090 14 06 W |
| Man Mound Park | Park | 293 | Sauk | 43 29 18 N | 089 40 19 W |
| Man Mound School (historical) | School | 287 | Sauk | 43 29 19 N | 089 40 14 W |
| Manley Creek | Stream | | Sauk | 43 22 58 N | 089 40 00 W |
| Maple Grove School (historical) | School | 288 | Sauk | 43 37 24 N | 090 04 57 W |
| Maple Hill | Summit | 424 | Sauk | 43 23 49 N | 089 54 34 W |
| Maple Hill Cemetery | Cemetery | 347 | Sauk | 43 24 52 N | 089 54 59 W |
| Maple Hill School (historical) | School | 356 | Sauk | 43 24 07 N | 089 55 15 W |
| Marble Creek | Stream | | Sauk | 43 18 45 N | 090 11 08 W |
| Marion Park | Park | 235 | Sauk | 43 17 04 N | 089 43 17 W |
| Marking H926 Dam | Dam | 283 | Sauk | 43 33 24 N | 089 54 24 W |
| Mary Roundtree Evans Athletic Field | Park | 256 | Sauk | 43 28 03 N | 089 45 08 W |
| McBoyle Dells Airport (historical) | Airport | 278 | Sauk | 43 34 60 N | 089 47 09 W |
| McCarville Creek | Stream | | Sauk | 43 19 40 N | 090 10 31 W |
| McGilvra Woods State Natural Area | Park | | Sauk | 43 27 00 N | 089 48 56 W |
| Medos Lake Delton Seaplane Base | Airport | 259 | Sauk | 43 36 25 N | 089 46 39 W |
| Merrimac | Populated Place | 255 | Sauk | 43 22 24 N | 089 37 24 W |
| Merrimac Elementary School | School | 259 | Sauk | 43 22 32 N | 089 37 26 W |
| Merrimac Ferry | Crossing | 236 | Sauk | 43 22 04 N | 089 37 25 W |
| Metcalf Island | Island | 211 | Sauk | 43 09 46 N | 090 06 02 W |
| Meyers School (historical) | School | 358 | Sauk | 43 23 42 N | 090 07 39 W |
| Middle School | School | 235 | Sauk | 43 16 52 N | 089 43 55 W |
| Miller Cemetery | Cemetery | 266 | Sauk | 43 22 44 N | 089 45 58 W |
| Mirror Lake | Lake | 258 | Sauk | 43 33 50 N | 089 49 59 W |
| Mirror Lake | Reservoir | 258 | Sauk | 43 35 04 N | 089 47 51 W |
| Mirror Lake 71 | Reservoir | 264 | Sauk | 43 35 06 N | 089 47 48 W |
| Mirror Lake Pine-Oak Forest State Natural Area | Park | | Sauk | 43 34 19 N | 089 49 38 W |
| Mirror Lake School (historical) | School | 274 | Sauk | 43 32 38 N | 089 50 13 W |
| Mirror Lake State Park | Park | 277 | Sauk | 43 33 54 N | 089 49 07 W |
| Moon Valley | Populated Place | 243 | Sauk | 43 22 13 N | 089 40 21 W |
| Mortimer Valley | Valley | | Sauk | 43 35 00 N | 090 16 07 W |
| Mount Pleasant Cemetery | Cemetery | 280 | Sauk | 43 36 08 N | 089 48 33 W |
| Muskrat Run | Stream | | Sauk | 43 11 55 N | 089 52 46 W |
| Narrows Creek | Stream | | Sauk | 43 28 43 N | 089 54 58 W |
| Narrows Prairie School (historical) | School | 277 | Sauk | 43 29 17 N | 089 59 22 W |
| Natural Bridge and Rockshelter State Natural Area | Park | | Sauk | 43 20 59 N | 089 55 51 W |
| Natural Bridge State Park | Park | 257 | Sauk | 43 20 39 N | 089 55 43 W |
| New Life Assembly of God Church | Church | 280 | Sauk | 43 32 24 N | 089 59 21 W |
| Nishan Park | Park | 280 | Sauk | 43 32 33 N | 089 59 08 W |
| Norman Rockwell Museum | Building | 272 | Sauk | 43 31 52 N | 090 00 22 W |
| North Branch Honey Creek | Stream | | Sauk | 43 17 17 N | 089 53 02 W |
| North Freedom | Populated Place | 268 | Sauk | 43 27 35 N | 089 52 06 W |
| North Freedom Elementary School | School | 268 | Sauk | 43 27 34 N | 089 51 54 W |
| North Range | Range | 304 | Sauk | 43 29 27 N | 089 43 11 W |
| North Shore Shelter | Building | 320 | Sauk | 43 25 51 N | 089 43 45 W |
| Northern Lights Campground | Locale | 317 | Sauk | 43 25 55 N | 089 43 44 W |
| Norton Slough | Gut | 216 | Sauk | 43 11 10 N | 090 02 03 W |
| Oak Hill Cemetery | Cemetery | 256 | Sauk | 43 22 37 N | 089 37 54 W |
| Oak Hill Cemetery | Cemetery | 271 | Sauk | 43 27 60 N | 089 52 04 W |
| Oak Hill School (historical) | School | 324 | Sauk | 43 33 45 N | 090 05 29 W |
| Oak Lawn Cemetery | Cemetery | 312 | Sauk | 43 35 29 N | 090 08 08 W |
| Oak Park | Park | 276 | Sauk | 43 32 15 N | 089 59 52 W |
| Oak Street Dam | Dam | 255 | Sauk | 43 27 60 N | 089 44 42 W |
| Oak View School | School | 273 | Sauk | 43 21 24 N | 090 04 10 W |
| Oakland School (historical) | School | 381 | Sauk | 43 30 13 N | 090 06 13 W |
| Oaks Cemetery | Cemetery | 298 | Sauk | 43 34 08 N | 090 13 09 W |
| Oaks School (historical) | School | 294 | Sauk | 43 34 01 N | 090 13 00 W |
| Ochsner Park | Park | 261 | Sauk | 43 28 17 N | 089 45 28 W |
| Oetzman G7046 Dam | Dam | 331 | Sauk | 43 22 12 N | 090 01 54 W |
| Open View School | School | 273 | Sauk | 43 27 23 N | 090 00 49 W |
| Ott Basin | Basin | 393 | Sauk | 43 26 05 N | 089 40 05 W |
| Otter Creek | Stream | | Sauk | 43 14 25 N | 089 48 23 W |
| Otter Creek Cemetery | Cemetery | 261 | Sauk | 43 21 28 N | 089 47 55 W |
| Our Lady of Loretta Church | Church | 249 | Sauk | 43 21 03 N | 089 54 18 W |
| Our Lady of the Fields Chapel | Church | 362 | Sauk | 43 22 25 N | 090 08 00 W |
| Owls Head Hill | Summit | 318 | Sauk | 43 23 36 N | 089 36 10 W |
| Ox Creek | Stream | | Sauk | 43 36 40 N | 090 09 10 W |
| Parfrey's Glen State Natural Area | Park | | Sauk | 43 25 13 N | 089 38 33 W |
| Parfreys Glen | Valley | | Sauk | 43 25 07 N | 089 38 30 W |
| Parfreys Glen Creek | Stream | | Sauk | 43 24 08 N | 089 39 11 W |
| Parkview School (historical) | School | 316 | Sauk | 43 26 06 N | 089 44 35 W |
| Parkway Wesleyan Church | Church | 271 | Sauk | 43 27 38 N | 089 44 35 W |
| Peace Lutheran School | School | 278 | Sauk | 43 32 22 N | 089 59 17 W |
| Pecks Corners | Locale | 259 | Sauk | 43 32 51 N | 089 43 06 W |
| Pecks Landing | Locale | 214 | Sauk | 43 08 47 N | 090 03 35 W |
| Pewits Nest School (historical) | School | 275 | Sauk | 43 27 11 N | 089 47 18 W |
| Pewits Nest State Natural Area | Park | | Sauk | 43 27 04 N | 089 47 24 W |
| Pierce Park | Park | 289 | Sauk | 43 36 07 N | 090 06 34 W |
| Pierce Park | Park | 264 | Sauk | 43 27 21 N | 089 44 35 W |
| Pillar Rock | Pillar | 266 | Sauk | 43 19 14 N | 089 57 46 W |
| Pine Bluff | Cliff | 384 | Sauk | 43 29 09 N | 089 36 26 W |
| Pine Creek | Stream | | Sauk | 43 28 25 N | 089 47 42 W |
| Pine Crest School | School | 367 | Sauk | 43 24 35 N | 090 08 41 W |
| Pine Hill Cemetery | Cemetery | 274 | Sauk | 43 30 43 N | 089 54 41 W |
| Pine Hollow | Valley | | Sauk | 43 21 42 N | 089 53 50 W |
| Pine Hollow | Valley | | Sauk | 43 23 06 N | 089 45 11 W |
| Pine Hollow State Natural Area | Park | | Sauk | 43 22 15 N | 089 54 38 W |
| Plain | Populated Place | 247 | Sauk | 43 16 44 N | 090 02 37 W |
| Plain Honey Creek 2 3WR1225 Dam | Dam | 267 | Sauk | 43 18 30 N | 090 05 06 W |
| Plain Honey Creek 3 3WR175 Dam | Dam | 273 | Sauk | 43 21 18 N | 090 05 06 W |
| Plain Honey Creek 4 3WR175 Dam | Dam | 268 | Sauk | 43 21 24 N | 090 04 18 W |
| Plain Municipal Park | Park | 244 | Sauk | 43 16 47 N | 090 02 28 W |
| Plain View School (historical) | School | 360 | Sauk | 43 23 36 N | 090 11 13 W |
| Pleasant Grove School (historical) | School | 301 | Sauk | 43 35 28 N | 089 50 51 W |
| Pleasant Hill Cemetery | Cemetery | 255 | Sauk | 43 16 44 N | 090 03 20 W |
| Pleasant Knoll School (historical) | School | 321 | Sauk | 43 35 40 N | 089 57 46 W |
| Pleasant Valley | Valley | | Sauk | 43 28 44 N | 089 48 13 W |
| Pleasant Valley Cemetery | Cemetery | 274 | Sauk | 43 29 26 N | 089 50 38 W |
| Pleasant Valley School | School | 279 | Sauk | 43 29 50 N | 089 49 09 W |
| Pleasant View School (historical) | School | 305 | Sauk | 43 35 03 N | 090 03 16 W |
| Plum Creek | Stream | | Sauk | 43 38 14 N | 090 12 46 W |