Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Mellons Chapel | Church | 352 | Monongalia | 39 36 05 N | 079 53 39 W |
| Mellville | Populated Place | 225 | Logan | 37 50 29 N | 081 56 41 W |
| Melody T Lake | Reservoir | 173 | Cabell | 38 25 42 N | 082 15 06 W |
| Melody T Ranch Lake Dam | Dam | 173 | Cabell | 38 25 42 N | 082 15 06 W |
| Melrose | Populated Place | 755 | Mercer | 37 23 12 N | 081 03 15 W |
| Melrose Addition | Populated Place | 222 | Wood | 39 15 38 N | 081 37 19 W |
| Melrose Elementary School | School | 755 | Mercer | 37 23 19 N | 081 03 13 W |
| Melrose Presbyterian Church | Church | 756 | Mercer | 37 23 20 N | 081 03 15 W |
| Melvin Dayton Spring | Spring | 368 | Ohio | 40 08 35 N | 080 34 23 W |
| Melvin Farm Spring | Spring | 152 | Jefferson | 39 21 43 N | 077 49 56 W |
| Memorial Baptist Church | Church | 361 | Hancock | 40 25 17 N | 080 34 19 W |
| Memorial Baptist Church | Church | 731 | Raleigh | 37 46 17 N | 081 10 23 W |
| Memorial Bridge | Bridge | 182 | Wood | 39 16 59 N | 081 33 45 W |
| Memorial Cemetery | Cemetery | 320 | Marshall | 39 58 07 N | 080 36 26 W |
| Memorial Church | Church | 914 | Mercer | 37 34 42 N | 081 10 29 W |
| Memorial Church of the Good Shepherd | Church | 201 | Wood | 39 16 01 N | 081 32 47 W |
| Memorial Elementary School | School | 801 | Mercer | 37 15 30 N | 081 12 34 W |
| Memorial General Hospital (historical) | Hospital | 610 | Randolph | 38 55 54 N | 079 51 45 W |
| Memorial Hospital (historical) | Hospital | 739 | Mercer | 37 21 57 N | 081 06 04 W |
| Memorial Lake Dam | Dam | 315 | Brooke | 40 20 30 N | 080 33 29 W |
| Memorial Methodist Church | Church | 311 | Lewis | 39 02 20 N | 080 27 54 W |
| Memorial Park | Park | 388 | Barbour | 39 09 07 N | 080 02 31 W |
| Memorial Presbyterian Church | Church | 512 | McDowell | 37 24 59 N | 081 26 41 W |
| Memorial United Methodist Church | Church | 582 | Nicholas | 38 17 01 N | 080 50 43 W |
| Memory Gardens | Cemetery | 238 | Boone | 38 01 40 N | 081 49 56 W |
| Mendota (historical) | Populated Place | 192 | Wetzel | 39 36 56 N | 080 54 44 W |
| Mentor (historical) | Populated Place | 262 | Jackson | 38 51 46 N | 081 41 33 W |
| Mentor School (historical) | School | 266 | Wood | 39 02 46 N | 081 36 31 W |
| Mercer Anglers Club Spring | Spring | 597 | Monroe | 37 24 58 N | 080 42 09 W |
| Mercer County | Civil | 756 | Mercer | 37 24 00 N | 081 06 59 W |
| Mercer County Airport | Airport | 868 | Mercer | 37 17 44 N | 081 12 27 W |
| Mercer County Courthouse | Building | 744 | Mercer | 37 21 56 N | 081 06 10 W |
| Mercer County Early Learning Center | School | | Mercer | 37 22 50 N | 081 05 45 W |
| Mercer County Health Center | Building | 759 | Mercer | 37 18 20 N | 081 08 39 W |
| Mercer County Health Center | Locale | 759 | Mercer | 37 18 19 N | 081 08 37 W |
| Mercer County Technical Education Center | School | 742 | Mercer | 37 21 37 N | 081 06 17 W |
| Mercer County Vocational School (historical) | School | 741 | Mercer | 37 20 12 N | 081 09 06 W |
| Mercer Elementary School | School | 737 | Mercer | 37 22 01 N | 081 05 59 W |
| Mercer Healing Springs | Locale | 730 | Mercer | 37 24 53 N | 081 03 12 W |
| Mercer Healing Springs | Spring | 731 | Mercer | 37 24 51 N | 081 03 14 W |
| Mercer Mall Shopping Center | Locale | 804 | Mercer | 37 17 02 N | 081 07 42 W |
| Mercer Run | Stream | | Hancock | 40 33 30 N | 080 34 23 W |
| Mercer School (historical) | School | 183 | Kanawha | 38 20 51 N | 081 37 52 W |
| Mercer Spring | Spring | 290 | Putnam | 38 23 58 N | 081 57 19 W |
| Mercer Spring | Spring | 281 | Putnam | 38 23 22 N | 081 57 38 W |
| Mercers Bottom | Populated Place | 179 | Mason | 38 38 41 N | 082 09 45 W |
| Mercers Saltworks (historical) | Populated Place | 459 | Summers | 37 28 57 N | 080 52 42 W |
| Merchant Run | Stream | | Morgan | 39 30 20 N | 078 12 50 W |
| Meredith Branch | Stream | | Logan | 37 48 37 N | 081 41 39 W |
| Meredith Fork | Stream | | McDowell | 37 28 17 N | 081 54 49 W |
| Meredith Spring | Spring | 331 | Marion | 39 29 42 N | 080 06 11 W |
| Merical Hollow | Valley | | Jackson | 38 42 47 N | 081 38 14 W |
| Merical Run | Stream | | Jackson | 38 43 36 N | 081 39 08 W |
| Meriden | Populated Place | 396 | Barbour | 39 09 51 N | 080 01 25 W |
| Meriden School (historical) | School | 408 | Barbour | 39 09 45 N | 080 01 15 W |
| Merrell Church | Church | 234 | Wirt | 39 07 33 N | 081 26 11 W |
| Merrick Branch | Stream | | Wayne | 38 16 32 N | 082 31 52 W |
| Merrifield Run | Stream | | Wetzel | 39 30 11 N | 080 33 22 W |
| Merrifield School (historical) | School | 317 | Wetzel | 39 34 09 N | 080 30 23 W |
| Merrimac | Populated Place | 228 | Mingo | 37 38 07 N | 082 12 57 W |
| Merritt Creek | Stream | | Cabell | 38 20 39 N | 082 15 54 W |
| Merritt Creek | Stream | | Lincoln | 38 14 31 N | 082 01 01 W |
| Merritt Creek Church | Church | 175 | Cabell | 38 20 04 N | 082 15 56 W |
| Merritt Knob | Summit | 595 | Hampshire | 39 13 49 N | 078 53 24 W |
| Merritts Creek | Stream | | Cabell | 38 25 00 N | 082 17 29 W |
| Mesa Manor (subdivision) | Populated Place | 212 | Putnam | 38 25 38 N | 082 01 58 W |
| Message of Light Tabernacle | Church | 319 | Lewis | 39 01 58 N | 080 26 25 W |
| Messenger Branch | Stream | | Mingo | 37 51 15 N | 082 09 01 W |
| Messenger Cemetery | Cemetery | 375 | Gilmer | 38 57 35 N | 080 42 12 W |
| Messenger Cemetery | Cemetery | 257 | Gilmer | 38 58 17 N | 080 45 25 W |
| Messenger Church | Church | 803 | Preston | 39 27 15 N | 079 34 18 W |
| Messenger School (historical) | School | 767 | Preston | 39 27 14 N | 079 34 39 W |
| Messer Cemetery | Cemetery | 308 | Mingo | 37 52 52 N | 082 17 57 W |
| Messer Cemetery | Cemetery | 343 | Mingo | 37 53 34 N | 082 18 28 W |
| Messer Run | Stream | | Marion | 39 35 38 N | 080 22 06 W |
| Messiah Evangelical Methodist Church | Church | 215 | Ohio | 40 04 48 N | 080 41 08 W |
| Messiah Lutheran Church | Church | 203 | Marshall | 39 55 12 N | 080 44 51 W |
| Messir Cemetery | Cemetery | 902 | Pocahontas | 38 10 20 N | 080 04 11 W |
| Metalton | Populated Place | 686 | Raleigh | 37 46 00 N | 081 17 22 W |
| Methodist Branch | Stream | | Greenbrier | 37 55 47 N | 080 40 05 W |
| Methodist Cemetery | Cemetery | 176 | Mineral | 39 32 37 N | 078 41 33 W |
| Methodist Church Camp Lake Number Two Dam | Dam | 217 | Roane | 38 52 00 N | 081 19 59 W |
| Methodist Park | Park | 229 | Marshall | 39 55 55 N | 080 44 23 W |
| Methodist Temple | Church | 303 | Marion | 39 29 03 N | 080 08 37 W |
| Metropolitan Baptist Church | Church | 182 | Kanawha | 38 21 18 N | 081 37 58 W |
| Metropolitan Baptist Church | Church | 198 | Ohio | 40 02 52 N | 080 43 35 W |
| Metz | Populated Place | 314 | Marion | 39 34 49 N | 080 22 11 W |
| Metz Cemetery | Cemetery | 333 | Ritchie | 39 11 34 N | 081 13 46 W |
| Metz Post Office | Post Office | 318 | Marion | 39 34 45 N | 080 22 06 W |
| Metz School (historical) | School | 318 | Marion | 39 32 33 N | 080 25 33 W |
| Mexico Hollow | Valley | | Pendleton | 38 47 44 N | 079 24 08 W |
| Meyer Spring | Spring | 138 | Jefferson | 39 19 59 N | 077 45 56 W |
| Meyers Cemetery | Cemetery | 377 | Marion | 39 34 19 N | 080 17 43 W |
| Meyers Cemetery | Cemetery | 297 | Monongalia | 39 43 05 N | 080 05 27 W |
| Meyers Church | Church | 339 | Marion | 39 34 13 N | 080 17 22 W |
| Meyers Farm Spring | Spring | 189 | Jefferson | 39 11 41 N | 077 49 07 W |
| Meyers School (historical) | School | 194 | Kanawha | 38 28 42 N | 081 38 32 W |
| Meyersdale Farm Spring | Spring | 149 | Jefferson | 39 20 29 N | 077 49 42 W |
| Meyerstown | Populated Place | 146 | Jefferson | 39 12 21 N | 077 51 48 W |
| Miami | Populated Place | 207 | Kanawha | 38 09 08 N | 081 26 52 W |
| Miami Post Office | Post Office | 207 | Kanawha | 38 09 08 N | 081 26 52 W |
| Micajah | Populated Place | 707 | Mercer | 37 27 59 N | 081 19 33 W |
| Micajah Ridge | Ridge | 841 | Mercer | 37 20 24 N | 081 13 53 W |
| Micajah Ridge | Ridge | 684 | Wyoming | 37 32 27 N | 081 24 35 W |
| Micco | Populated Place | 244 | Logan | 37 46 58 N | 081 59 24 W |
| Michael Branch | Stream | | Cabell | 38 34 07 N | 082 12 03 W |
| Michael Cemetery | Cemetery | 258 | Morgan | 39 36 48 N | 078 12 15 W |
| Michael D Martin Cemetery | Cemetery | 419 | Harrison | 39 26 18 N | 080 19 12 W |
| Michael Farm Spring | Spring | 220 | Morgan | 39 38 20 N | 078 06 19 W |
| Michael Mountain | Summit | 1115 | Pocahontas | 38 17 25 N | 079 54 14 W |