Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Neptune Cemetery | Cemetery | 258 | Mercer | 40 36 04 N | 084 29 06 W |
| Neptune Cemetery | Cemetery | 396 | Monroe | 39 51 33 N | 081 09 53 W |
| Neptune Lake | Lake | 354 | Cuyahoga | 41 25 23 N | 081 28 22 W |
| Neptune Post Office (historical) | Post Office | 259 | Mercer | 40 36 10 N | 084 29 30 W |
| Nesbitt Cemetery | Cemetery | 293 | Adams | 38 43 19 N | 083 29 03 W |
| Nesbitt School (historical) | School | 290 | Adams | 38 43 10 N | 083 28 57 W |
| Nesta Airport | Airport | 281 | Holmes | 40 37 58 N | 082 10 37 W |
| Nestor Hall | Building | 240 | Franklin | 39 58 09 N | 082 59 20 W |
| Nettie Lee Roth High School | School | 257 | Montgomery | 39 45 45 N | 084 15 41 W |
| Nettle Creek | Stream | | Champaign | 40 04 11 N | 083 48 40 W |
| Nettle Creek | Stream | | Williams | 41 36 46 N | 084 35 32 W |
| Nettle Creek Cemetery | Cemetery | 308 | Champaign | 40 05 45 N | 083 50 23 W |
| Nettle Lake | Lake | 288 | Williams | 41 40 57 N | 084 43 33 W |
| Nettle Lake | Populated Place | 290 | Williams | 41 40 45 N | 084 43 24 W |
| Nettle Lake Cemetery | Cemetery | 298 | Williams | 41 41 06 N | 084 42 49 W |
| Nettle Lake United Brethren Church | Church | 298 | Williams | 41 41 06 N | 084 42 44 W |
| Nettleton (historical) | Populated Place | 318 | Champaign | 40 07 08 N | 083 52 28 W |
| Nettleton Post Office (historical) | Post Office | 318 | Champaign | 40 07 05 N | 083 52 25 W |
| Neuman Golf Course | Locale | 249 | Hamilton | 39 09 30 N | 084 41 30 W |
| Nevada | Populated Place | 283 | Wyandot | 40 49 09 N | 083 07 50 W |
| Nevada Cemetery | Cemetery | 283 | Wyandot | 40 50 03 N | 083 07 58 W |
| Nevada Lutheran Church | Church | 281 | Wyandot | 40 48 52 N | 083 07 52 W |
| Nevada Post Office | Post Office | 283 | Wyandot | 40 49 10 N | 083 07 50 W |
| Nevada United Methodist Church | Church | 284 | Wyandot | 40 49 14 N | 083 07 52 W |
| Nevels Temple Church of God in Christ | Church | 306 | Mahoning | 41 06 49 N | 080 38 41 W |
| Neville | Populated Place | 152 | Clermont | 38 48 36 N | 084 12 44 W |
| Neville Cemetery | Cemetery | 151 | Clermont | 38 48 34 N | 084 12 30 W |
| Neville Post Office | Post Office | 151 | Clermont | 38 48 36 N | 084 12 45 W |
| Neville School | School | 222 | Columbiana | 40 38 21 N | 080 32 07 W |
| Nevin Coppock Elementary School | School | 268 | Miami | 39 58 02 N | 084 10 57 W |
| Nevins Hill | Summit | 393 | Ross | 39 16 25 N | 083 19 36 W |
| Nevitt School (historical) | School | 218 | Fulton | 41 40 00 N | 083 53 52 W |
| New Albany | Populated Place | 312 | Franklin | 40 04 52 N | 082 48 32 W |
| New Albany | Populated Place | 326 | Mahoning | 40 56 32 N | 080 50 09 W |
| New Albany Cemetery | Cemetery | 311 | Franklin | 40 04 52 N | 082 48 36 W |
| New Albany Country Club | Locale | 293 | Franklin | 40 04 00 N | 082 50 05 W |
| New Albany Elementary School | School | 314 | Franklin | 40 05 04 N | 082 48 34 W |
| New Albany High School | School | 315 | Franklin | 40 05 07 N | 082 48 36 W |
| New Albany Marsh | Swamp | 313 | Mahoning | 40 57 40 N | 080 48 54 W |
| New Albany Middle School | School | 315 | Franklin | 40 05 05 N | 082 48 39 W |
| New Albany Post Office | Post Office | 310 | Franklin | 40 04 57 N | 082 48 38 W |
| New Albany Post Office (historical) | Post Office | 328 | Mahoning | 40 56 30 N | 080 50 09 W |
| New Alexander | Populated Place | 396 | Columbiana | 40 47 19 N | 080 59 38 W |
| New Alexander Cemetery | Cemetery | 402 | Columbiana | 40 47 14 N | 080 59 39 W |
| New Alexandria | Populated Place | 373 | Jefferson | 40 17 26 N | 080 40 45 W |
| New Alexandria Cemetery | Cemetery | 375 | Jefferson | 40 17 42 N | 080 40 40 W |
| New Alexandria Elementary School | School | 381 | Jefferson | 40 17 18 N | 080 40 23 W |
| New Alexandria Post Office (historical) | Post Office | 374 | Jefferson | 40 17 25 N | 080 40 44 W |
| New Antioch | Populated Place | 325 | Clinton | 39 24 26 N | 083 44 46 W |
| New Antioch Cemetery | Cemetery | 324 | Clinton | 39 24 37 N | 083 44 56 W |
| New Antioch Church of Christ | Church | 326 | Clinton | 39 24 34 N | 083 44 52 W |
| New Antioch Post Office (historical) | Post Office | 325 | Clinton | 39 24 25 N | 083 44 45 W |
| New Antioch School | School | 323 | Clinton | 39 24 17 N | 083 45 01 W |
| New Apostolic Church | Church | 265 | Montgomery | 39 45 32 N | 084 08 31 W |
| New Apostolic Church (historical) | Church | 211 | Cuyahoga | 41 27 22 N | 081 42 08 W |
| New Athens | Populated Place | 361 | Harrison | 40 11 05 N | 080 59 44 W |
| New Athens Hospital Cemetery | Cemetery | 228 | Athens | 39 18 55 N | 082 07 08 W |
| New Athens Post Office | Post Office | 361 | Harrison | 40 11 05 N | 080 59 44 W |
| New Baltimore | Populated Place | 169 | Hamilton | 39 15 53 N | 084 40 03 W |
| New Baltimore | Populated Place | 357 | Stark | 40 59 04 N | 081 14 58 W |
| New Baltimore Cemetery | Cemetery | 360 | Stark | 40 59 00 N | 081 14 09 W |
| New Baltimore Post Office (historical) | Post Office | 358 | Stark | 40 59 06 N | 081 15 00 W |
| New Barton Cemetery | Cemetery | 331 | Belmont | 40 06 12 N | 080 50 50 W |
| New Basil Cemetery | Cemetery | 268 | Fairfield | 39 50 43 N | 082 37 28 W |
| New Bavaria | Populated Place | 224 | Henry | 41 12 13 N | 084 10 06 W |
| New Bavaria Post Office | Post Office | 224 | Henry | 41 12 15 N | 084 10 05 W |
| New Bedford | Populated Place | 354 | Coshocton | 40 26 41 N | 081 45 54 W |
| New Bedford Post Office (historical) | Post Office | 352 | Coshocton | 40 26 40 N | 081 45 54 W |
| New Beginning Assembly of God Church | Church | 226 | Franklin | 39 53 30 N | 082 58 60 W |
| New Beginning Pentecostal Church | Church | 231 | Montgomery | 39 45 45 N | 084 09 44 W |
| New Beginnings Christian School | School | 226 | Franklin | 39 53 30 N | 082 58 58 W |
| New Belleville Ridge Cemetery | Cemetery | 209 | Wood | 41 28 47 N | 083 35 31 W |
| New Bethany Cemetery | Cemetery | 216 | Putnam | 41 02 54 N | 084 18 50 W |
| New Bethel Baptist Church | Church | 322 | Mahoning | 41 05 08 N | 080 39 49 W |
| New Bethel Bountiful Blessing Church | Church | 187 | Lucas | 41 38 48 N | 083 33 46 W |
| New Bethel Church | Church | 191 | Hamilton | 39 09 52 N | 084 26 47 W |
| New Bethel Church | Church | 344 | Licking | 40 13 33 N | 082 45 11 W |
| New Bethel Church | Church | 314 | Ross | 39 23 49 N | 083 14 07 W |
| New Bethel Church of God in Christ | Church | 332 | Mahoning | 41 07 11 N | 080 35 10 W |
| New Bethel Primitive Baptist Church | Church | 185 | Lorain | 41 27 45 N | 082 10 29 W |
| New Bethlehem Baptist Church | Church | 207 | Cuyahoga | 41 29 16 N | 081 38 40 W |
| New Bethlehem Baptist Church | Church | 249 | Franklin | 39 58 52 N | 082 58 50 W |
| New Bethlehem Primitive Baptist Church | Church | 300 | Summit | 41 03 54 N | 081 32 42 W |
| New Bloomington | Populated Place | 287 | Marion | 40 35 00 N | 083 18 60 W |
| New Bloomington Post Office | Post Office | 287 | Marion | 40 35 01 N | 083 19 02 W |
| New Boston | Populated Place | 156 | Scioto | 38 45 08 N | 082 56 13 W |
| New Boston Branch LIbrary | Building | 164 | Scioto | 38 45 16 N | 082 55 58 W |
| New Boston First Church of the Nazarene | Church | 160 | Scioto | 38 45 08 N | 082 56 07 W |
| New Boston Post Office (historical) | Post Office | 181 | Scioto | 38 45 10 N | 082 56 15 W |
| New Boston Stadium | Park | 160 | Scioto | 38 45 33 N | 082 55 44 W |
| New Boston United Methodist Church | Church | 164 | Scioto | 38 45 15 N | 082 56 06 W |
| New Bremen | Populated Place | 288 | Auglaize | 40 26 13 N | 084 22 47 W |
| New Bremen Elementary School | School | 290 | Auglaize | 40 26 01 N | 084 22 37 W |
| New Bremen High School | School | 290 | Auglaize | 40 26 01 N | 084 22 40 W |
| New Bremen Historical Museum | Building | 285 | Auglaize | 40 26 19 N | 084 22 57 W |
| New Bremen Municipal Center | Building | 283 | Auglaize | 40 26 26 N | 084 22 49 W |
| New Bremen Post Office | Post Office | 286 | Auglaize | 40 26 19 N | 084 22 59 W |
| New Bremen Public Library | Building | 288 | Auglaize | 40 26 08 N | 084 22 49 W |
| New Bremen Speedway | Locale | 282 | Auglaize | 40 27 27 N | 084 23 25 W |
| New Brighton Cemetery | Cemetery | 274 | Lorain | 41 10 04 N | 082 18 35 W |
| New Buffalo | Populated Place | 342 | Mahoning | 40 59 17 N | 080 42 44 W |
| New Buffalo Post Office (historical) | Post Office | 347 | Mahoning | 40 59 15 N | 080 52 44 W |
| New Burlington | Populated Place | 277 | Clinton | 39 33 43 N | 083 57 56 W |
| New Burlington | Populated Place | 250 | Hamilton | 39 15 34 N | 084 33 26 W |
| New Burlington Cemetery | Cemetery | 291 | Clinton | 39 33 03 N | 083 51 55 W |
| New Burlington Cemetery | Cemetery | 274 | Clinton | 39 34 02 N | 083 57 05 W |
| New Burlington Cemetery | Cemetery | 241 | Hamilton | 39 15 45 N | 084 32 49 W |
| New Burlington Church of Christ | Church | 255 | Hamilton | 39 15 44 N | 084 33 25 W |
| New Burlington Elementary School | School | 250 | Hamilton | 39 15 29 N | 084 33 20 W |
| New Burlington Post Office (historical) | Post Office | 273 | Clinton | 39 33 45 N | 083 57 55 W |