Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Mitchell Hall | Building | 358 | Stark | 40 49 31 N | 081 22 34 W |
| Mitchell Hills Country Club | Locale | 335 | Clark | 39 59 53 N | 083 43 57 W |
| Mitchell Historic District | Park | 178 | Erie | 41 18 05 N | 082 36 25 W |
| Mitchell Hollow | Valley | | Vinton | 39 19 22 N | 082 24 56 W |
| Mitchell Memorial Forest | Forest | 223 | Hamilton | 39 11 02 N | 084 43 50 W |
| Mitchell Recreation and Athletics Center | Building | 303 | Licking | 40 04 22 N | 082 31 12 W |
| Mitchell Ridge | Ridge | 373 | Pike | 39 09 41 N | 083 12 43 W |
| Mitchell Run | Stream | | Morrow | 40 27 33 N | 082 57 22 W |
| Mitchell School (historical) | School | 340 | Champaign | 40 02 04 N | 083 32 05 W |
| Mitchell Triangle | Park | 220 | Hamilton | 39 09 14 N | 084 29 01 W |
| Mitchells Mill (historical) | Locale | 253 | Geauga | 41 37 00 N | 081 16 57 W |
| Mite Airport | Airport | 265 | Preble | 39 38 58 N | 084 37 48 W |
| Mitiwanga | Populated Place | 183 | Erie | 41 23 02 N | 082 27 53 W |
| Mitiwanga Post Office (historical) | Post Office | 177 | Erie | 41 23 05 N | 082 27 55 W |
| Mitman Cemetery | Cemetery | 266 | Greene | 39 50 08 N | 084 00 58 W |
| Mizer Cemetery | Cemetery | 387 | Jefferson | 40 25 55 N | 080 55 28 W |
| Mizers | Populated Place | 245 | Tuscarawas | 40 16 38 N | 081 34 52 W |
| Mizner Hollow | Valley | | Vinton | 39 20 40 N | 082 19 27 W |
| Moats | Populated Place | 217 | Defiance | 41 19 54 N | 084 31 33 W |
| Moats Cemetery | Cemetery | 217 | Defiance | 41 19 57 N | 084 31 10 W |
| Moats Cemetery | Cemetery | 293 | Pike | 39 07 37 N | 083 03 41 W |
| Moats Post Office (historical) | Post Office | 216 | Defiance | 41 19 55 N | 084 31 35 W |
| Mobes School (historical) | School | 226 | Fulton | 41 42 04 N | 083 58 36 W |
| Moccasin Creek | Stream | | Hocking | 39 29 31 N | 082 43 27 W |
| Moccasin School (historical) | School | 308 | Guernsey | 40 12 06 N | 081 24 55 W |
| Mock School (historical) | School | 218 | Defiance | 41 19 32 N | 084 30 56 W |
| Modern Tool and Die Company Reservoir | Reservoir | 277 | Medina | 41 15 18 N | 081 53 41 W |
| Modern Tool and Die Company Reservoir Dam | Dam | 277 | Medina | 41 15 18 N | 081 53 41 W |
| Modest | Populated Place | 268 | Clermont | 39 11 35 N | 084 06 26 W |
| Modest Post Office (historical) | Post Office | 268 | Clermont | 39 11 35 N | 084 06 25 W |
| Modoc | Populated Place | 217 | Athens | 39 28 06 N | 082 07 48 W |
| Modoc Post Office (historical) | Post Office | 223 | Athens | 39 28 05 N | 082 07 50 W |
| Modoc Reservoir | Reservoir | 253 | Athens | 39 28 42 N | 082 07 60 W |
| Modoc Reservoir Dam | Dam | 253 | Athens | 39 28 42 N | 082 07 60 W |
| Modoc Run | Stream | | Athens | 39 28 07 N | 082 07 56 W |
| Moe Pond | Reservoir | 336 | Fairfield | 39 44 00 N | 082 44 06 W |
| Moe Pond Dam | Dam | 336 | Fairfield | 39 44 00 N | 082 44 06 W |
| Moeler Park | Park | 229 | Franklin | 39 56 09 N | 082 59 17 W |
| Moeller High School | School | 241 | Hamilton | 39 13 12 N | 084 21 30 W |
| Moffets Church | Church | 354 | Monroe | 39 43 21 N | 081 05 50 W |
| Moffett Methodist Cemetery | Cemetery | 354 | Monroe | 39 43 22 N | 081 05 52 W |
| Moffit Cemetery | Cemetery | 360 | Morrow | 40 36 10 N | 082 47 54 W |
| Moffitt (historical) | Populated Place | 228 | Hancock | 41 01 20 N | 083 50 50 W |
| Moffitt Ditch | Canal | 228 | Hancock | 41 00 57 N | 083 50 30 W |
| Moffitt Heights | Populated Place | 356 | Stark | 40 46 42 N | 081 34 27 W |
| Moffitt Heights Elementary School | School | 351 | Stark | 40 46 21 N | 081 34 54 W |
| Moffitt Post Office (historical) | Post Office | 228 | Hancock | 41 01 22 N | 083 50 52 W |
| Mogadore | Populated Place | 350 | Summit | 41 02 47 N | 081 23 52 W |
| Mogadore Dam | Dam | 325 | Portage | 41 03 25 N | 081 22 47 W |
| Mogadore Post Office | Post Office | 350 | Summit | 41 02 45 N | 081 23 54 W |
| Mogadore Reservoir | Reservoir | 325 | Portage | 41 03 25 N | 081 22 47 W |
| Mogadore Reservoir Park | Park | 349 | Portage | 41 03 38 N | 081 22 42 W |
| Mohawk Alternative Middle School | School | 231 | Franklin | 39 57 11 N | 082 59 29 W |
| Mohawk Cemetery | Cemetery | 251 | Coshocton | 40 19 06 N | 082 04 22 W |
| Mohawk Church | Church | 253 | Coshocton | 40 19 05 N | 082 04 20 W |
| Mohawk Creek | Stream | | Coshocton | 40 20 05 N | 082 03 36 W |
| Mohawk Dam | Dam | 258 | Coshocton | 40 21 06 N | 082 05 24 W |
| Mohawk High School | School | 253 | Wyandot | 40 59 22 N | 083 10 09 W |
| Mohawk Lake | Reservoir | 241 | Seneca | 41 03 54 N | 083 10 18 W |
| Mohawk Lake Dam | Dam | 241 | Seneca | 41 03 54 N | 083 10 18 W |
| Mohawk Park | Park | 165 | Hamilton | 39 07 12 N | 084 31 32 W |
| Mohawk Reservoir | Reservoir | 257 | Coshocton | 40 21 06 N | 082 05 24 W |
| Mohawk School (historical) | School | 360 | Champaign | 40 03 30 N | 083 58 57 W |
| Mohawk School (historical) | School | 379 | Stark | 40 44 19 N | 081 12 38 W |
| Mohawk Trail | Trail | 360 | Geauga | 41 27 10 N | 081 12 49 W |
| Mohawk Village | Populated Place | 315 | Coshocton | 40 19 30 N | 082 04 47 W |
| Mohawk Village Post Office (historical) | Post Office | 306 | Coshocton | 40 19 30 N | 082 04 45 W |
| Mohican Cemetery | Cemetery | 349 | Wayne | 40 53 39 N | 082 06 29 W |
| Mohican Church of the Brethren | Church | 351 | Wayne | 40 53 39 N | 082 06 27 W |
| Mohican Hills Golf Course | Locale | 308 | Ashland | 40 46 29 N | 082 07 60 W |
| Mohican Playground | Park | 234 | Cuyahoga | 41 27 47 N | 081 47 04 W |
| Mohican River | Stream | | Coshocton | 40 21 36 N | 082 09 37 W |
| Mohican River Wildlife Area | Park | 320 | Knox | 40 27 54 N | 082 11 24 W |
| Mohican Sailing Club | Locale | 309 | Ashland | 40 44 42 N | 082 22 27 W |
| Mohican State Forest | Forest | 355 | Ashland | 40 36 38 N | 082 18 47 W |
| Mohican State Lodge | Building | 346 | Ashland | 40 38 20 N | 082 20 01 W |
| Mohican Trail Camp Lake | Reservoir | 334 | Richland | 40 39 06 N | 082 22 24 W |
| Mohican Trail Camp Lake Dam | Dam | 334 | Richland | 40 39 06 N | 082 22 24 W |
| Mohicanville | Populated Place | 339 | Ashland | 40 43 41 N | 082 11 29 W |
| Mohicanville Cemetery | Cemetery | 336 | Ashland | 40 43 36 N | 082 11 02 W |
| Mohicanville Dam | Dam | 290 | Ashland | 40 43 27 N | 082 09 07 W |
| Mohicanville Reservoir | Reservoir | 290 | Ashland | 40 43 27 N | 082 09 07 W |
| Mohler-Union Cemetery | Cemetery | 209 | Henry | 41 27 54 N | 083 58 43 W |
| Mohr Cemetery | Cemetery | 227 | Van Wert | 40 57 07 N | 084 33 41 W |
| Molander Park | Park | 204 | Lucas | 41 41 35 N | 083 42 36 W |
| Molasses Gap | Populated Place | 218 | Paulding | 41 09 01 N | 084 28 37 W |
| Molasses Run | Stream | | Gallia | 38 49 22 N | 082 09 58 W |
| Mole Airport | Airport | 259 | Lorain | 41 15 42 N | 081 59 27 W |
| Mole Hill School (historical) | School | 295 | Miami | 40 02 10 N | 084 23 26 W |
| Moler Elementary School | School | 235 | Franklin | 39 55 56 N | 082 57 08 W |
| Moline | Populated Place | 190 | Wood | 41 33 31 N | 083 30 41 W |
| Moline United Methodist Church | Church | 190 | Wood | 41 33 32 N | 083 30 42 W |
| Moll Lake | Reservoir | 256 | Medina | 41 15 42 N | 081 54 17 W |
| Moll Lake Dam | Dam | 256 | Medina | 41 15 42 N | 081 54 17 W |
| Mollenkope Ditch | Canal | 193 | Lucas | 41 33 57 N | 083 43 60 W |
| Molly Caren Agricultural Center | Locale | 317 | Madison | 39 56 12 N | 083 26 58 W |
| Molly Stark Hospital | Hospital | 378 | Stark | 40 52 53 N | 081 14 56 W |
| Momeneetown | Populated Place | 180 | Lucas | 41 39 35 N | 083 24 35 W |
| Momeneetown Post Office (historical) | Post Office | 180 | Lucas | 41 39 35 N | 083 24 38 W |
| Mona School (historical) | School | 238 | Ross | 39 26 11 N | 083 03 12 W |
| Monac Elementary School | School | 193 | Lucas | 41 42 12 N | 083 38 09 W |
| Monahan Cemetery | Cemetery | 365 | Monroe | 39 44 53 N | 081 01 13 W |
| Monastery of the Visitation | Church | 188 | Lucas | 41 39 28 N | 083 35 45 W |
| Monclova | Populated Place | 193 | Lucas | 41 33 31 N | 083 43 59 W |
| Monclova Elementary School | School | 194 | Lucas | 41 33 30 N | 083 44 07 W |
| Monclova Post Office | Post Office | 194 | Lucas | 41 33 30 N | 083 43 60 W |
| Monday | Populated Place | 213 | Hocking | 39 29 32 N | 082 12 39 W |
| Monday Creek | Stream | | Athens | 39 25 01 N | 082 11 34 W |
| Monday Creek Junction | Populated Place | 220 | Hocking | 39 34 55 N | 082 16 31 W |
| Monday Post Office (historical) | Post Office | 215 | Hocking | 39 29 30 N | 082 12 40 W |