Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Ludwig Cemetery | Cemetery | 207 | Sandusky | 41 19 24 N | 083 11 50 W |
| Ludwig Cemetery | Cemetery | 317 | Washington | 39 29 57 N | 081 20 46 W |
| Ludwig Ditch | Canal | 200 | Lucas | 41 26 19 N | 083 49 18 W |
| Ludwig School (historical) | School | 220 | Pickaway | 39 33 52 N | 082 54 35 W |
| Lueneburg | Populated Place | 216 | Henry | 41 27 25 N | 084 10 24 W |
| Luhrig | Populated Place | 207 | Athens | 39 20 00 N | 082 10 60 W |
| Luhrig Post Office (historical) | Post Office | 207 | Athens | 39 20 00 N | 082 10 60 W |
| Luis Munoz Marin School | School | 206 | Cuyahoga | 41 28 15 N | 081 41 48 W |
| Luke Cemetery | Cemetery | 315 | Crawford | 40 50 11 N | 082 51 19 W |
| Luke Chute | Populated Place | 205 | Washington | 39 32 17 N | 081 43 10 W |
| Lukens Cemetery | Cemetery | 256 | Warren | 39 29 57 N | 084 01 36 W |
| Lulu Diehl Junior High School | School | 194 | Cuyahoga | 41 31 14 N | 081 37 16 W |
| Lulu Falls Cemetery | Cemetery | 237 | Ashtabula | 41 53 09 N | 080 39 58 W |
| Lumberton | Populated Place | 308 | Clinton | 39 33 25 N | 083 50 56 W |
| Lumberton Airport | Airport | 307 | Clinton | 39 33 11 N | 083 51 18 W |
| Lumberton Cemetery | Cemetery | 345 | Mahoning | 40 59 15 N | 080 56 43 W |
| Lumberton Post Office (historical) | Post Office | 309 | Clinton | 39 33 25 N | 083 50 55 W |
| Lumberton United Methodist Church | Church | 307 | Clinton | 39 33 24 N | 083 51 01 W |
| Lumen Chapel | Church | 226 | Jackson | 38 59 22 N | 082 44 43 W |
| Luna Lake | Lake | 287 | Summit | 40 55 10 N | 081 37 07 W |
| Luna Park (historical) | Park | 238 | Cuyahoga | 41 29 21 N | 081 36 42 W |
| Lunbeck Cemetery | Cemetery | 268 | Highland | 39 17 43 N | 083 23 09 W |
| Lunda | Populated Place | 334 | Union | 40 21 53 N | 083 30 42 W |
| Lunda Post Office (historical) | Post Office | | Union | 40 21 53 N | 083 30 41 W |
| Luray | Populated Place | 311 | Fayette | 39 34 37 N | 083 30 53 W |
| Luray | Populated Place | 281 | Licking | 39 57 28 N | 082 31 54 W |
| Luray Cemetery | Cemetery | 298 | Licking | 39 57 55 N | 082 31 58 W |
| Luray Christian Apostolic Church | Church | 281 | Licking | 39 57 30 N | 082 31 59 W |
| Luray Post Office (historical) | Post Office | 282 | Licking | 39 57 30 N | 082 31 55 W |
| Luray Shopping Center | Locale | 312 | Ashland | 40 51 56 N | 082 17 56 W |
| Lusard Place (subdivision) | Populated Place | 210 | Lake | 41 43 07 N | 081 14 23 W |
| Lust Cemetery | Cemetery | 305 | Crawford | 40 55 18 N | 082 57 05 W |
| Lute Cemetery | Cemetery | 251 | Scioto | 38 51 37 N | 083 05 24 W |
| Luther Cemetery | Cemetery | 279 | Allen | 40 41 17 N | 084 05 26 W |
| Lutheran Cemetery | Cemetery | 242 | Allen | 40 47 16 N | 084 12 18 W |
| Lutheran Cemetery | Cemetery | 264 | Auglaize | 40 32 20 N | 084 23 07 W |
| Lutheran Cemetery | Cemetery | 370 | Champaign | 40 07 53 N | 083 57 31 W |
| Lutheran Cemetery | Cemetery | 298 | Crawford | 40 57 53 N | 082 51 17 W |
| Lutheran Cemetery | Cemetery | 239 | Cuyahoga | 41 25 51 N | 081 43 02 W |
| Lutheran Cemetery | Cemetery | 207 | Fulton | 41 31 25 N | 083 56 31 W |
| Lutheran Cemetery | Cemetery | 282 | Huron | 41 03 16 N | 082 45 21 W |
| Lutheran Cemetery | Cemetery | 184 | Lake | 41 45 07 N | 081 16 07 W |
| Lutheran Cemetery | Cemetery | 297 | Licking | 40 00 20 N | 082 22 21 W |
| Lutheran Cemetery | Cemetery | 303 | Marion | 40 33 49 N | 082 57 45 W |
| Lutheran Cemetery | Cemetery | 266 | Mercer | 40 32 16 N | 084 45 02 W |
| Lutheran Cemetery | Cemetery | 299 | Miami | 40 11 50 N | 084 22 05 W |
| Lutheran Cemetery | Cemetery | 329 | Perry | 39 48 30 N | 082 18 18 W |
| Lutheran Cemetery | Cemetery | 302 | Pickaway | 39 39 53 N | 082 51 44 W |
| Lutheran Cemetery | Cemetery | 335 | Richland | 40 36 09 N | 082 28 15 W |
| Lutheran Cemetery | Cemetery | 259 | Washington | 39 34 26 N | 081 24 57 W |
| Lutheran Cemetery | Cemetery | 241 | Wyandot | 40 59 26 N | 083 15 28 W |
| Lutheran Church | Church | 348 | Richland | 40 37 26 N | 082 33 23 W |
| Lutheran Church Cemetery | Cemetery | 326 | Mahoning | 40 54 04 N | 080 45 52 W |
| Lutheran Church of Our Redeemer | Church | 255 | Hamilton | 39 11 32 N | 084 24 20 W |
| Lutheran Church of Our Savior | Church | 204 | Hamilton | 39 09 06 N | 084 27 31 W |
| Lutheran Church of Our Savior | Church | 193 | Lucas | 41 43 17 N | 083 36 49 W |
| Lutheran Church of Our Savior | Church | 308 | Montgomery | 39 43 42 N | 084 10 21 W |
| Lutheran Church of the Cross | Church | 238 | Hamilton | 39 07 37 N | 084 31 31 W |
| Lutheran Church of the Master | Church | 300 | Cuyahoga | 41 23 25 N | 081 31 34 W |
| Lutheran Church of the Redeemer | Church | 238 | Montgomery | 39 44 27 N | 084 14 07 W |
| Lutheran High School | School | 222 | Cuyahoga | 41 27 29 N | 081 50 51 W |
| Lutheran High School East | School | 288 | Cuyahoga | 41 31 16 N | 081 33 03 W |
| Lutheran Medical Center | Hospital | 209 | Cuyahoga | 41 29 14 N | 081 42 27 W |
| Lutheran Medical Center Heliport | Airport | 209 | Cuyahoga | 41 29 04 N | 081 42 27 W |
| Lutheran Memorial Park | Cemetery | 366 | Medina | 41 14 26 N | 081 46 30 W |
| Lutheran Reformed Cemetery | Cemetery | 303 | Perry | 39 53 43 N | 082 25 30 W |
| Lutheran Ridge Cemetery | Cemetery | 262 | Wyandot | 40 58 52 N | 083 25 49 W |
| Lutrell Post Office (historical) | Post Office | 321 | Fayette | 39 35 05 N | 083 38 60 W |
| Luttleton (historical) | Populated Place | 310 | Highland | 39 10 01 N | 083 47 20 W |
| Luttrell | Populated Place | 321 | Fayette | 39 35 05 N | 083 38 59 W |
| Luttrell Cemetery | Cemetery | 336 | Clinton | 39 24 39 N | 083 36 12 W |
| Luttrell School (historical) | School | 322 | Fayette | 39 35 06 N | 083 39 02 W |
| Lutz Airport | Airport | 246 | Hancock | 40 57 42 N | 083 35 43 W |
| Lutz Cemetery | Cemetery | 254 | Ross | 39 30 02 N | 083 11 30 W |
| Lutz Elementary School | School | 196 | Sandusky | 41 19 53 N | 083 08 33 W |
| Lutz School (historical) | School | 209 | Fulton | 41 31 48 N | 083 56 22 W |
| Lutz School (historical) | School | 263 | Pickaway | 39 32 40 N | 082 49 33 W |
| Lyal School (historical) | School | 394 | Knox | 40 20 00 N | 082 41 04 W |
| Lybrand | Populated Place | 287 | Delaware | 40 19 00 N | 083 14 14 W |
| Lybrand Post Office (historical) | Post Office | 287 | Delaware | 40 19 00 N | 083 14 15 W |
| Lye Creek | Stream | | Hancock | 41 02 27 N | 083 38 17 W |
| Lykens | Populated Place | 289 | Crawford | 40 57 54 N | 083 01 01 W |
| Lykens Post Office (historical) | Post Office | 289 | Crawford | 40 57 55 N | 083 00 60 W |
| Lyman Circle | Locale | 349 | Cuyahoga | 41 28 58 N | 081 30 42 W |
| Lyme (historical) | Populated Place | 226 | Erie | 41 17 30 N | 082 46 58 W |
| Lyme Cemetery | Cemetery | 230 | Huron | 41 13 53 N | 082 44 25 W |
| Lyme Congregational Church | Church | 234 | Huron | 41 16 55 N | 082 47 20 W |
| Lyme Elementary School | School | 237 | Huron | 41 15 37 N | 082 45 60 W |
| Lynam Hall | Building | 242 | Franklin | 39 59 34 N | 082 56 33 W |
| Lynch Church | Church | 233 | Washington | 39 27 00 N | 081 24 07 W |
| Lynch Church Cemetery | Cemetery | 237 | Washington | 39 26 59 N | 081 24 09 W |
| Lynch Ditch | Canal | 224 | Seneca | 41 11 27 N | 083 15 33 W |
| Lynchburg | Populated Place | 335 | Columbiana | 40 44 28 N | 080 59 57 W |
| Lynchburg | Populated Place | 307 | Highland | 39 14 30 N | 083 47 29 W |
| Lynchburg Bridge | Bridge | 299 | Highland | 39 14 42 N | 083 47 40 W |
| Lynchburg Post Office | Post Office | 307 | Highland | 39 14 30 N | 083 47 30 W |
| Lynchburg-Clay Elementary School | School | 310 | Highland | 39 14 37 N | 083 47 21 W |
| Lynchburg-Clay High School | School | 302 | Highland | 39 14 53 N | 083 47 32 W |
| Lyndhurst | Populated Place | 315 | Cuyahoga | 41 31 12 N | 081 29 19 W |
| Lyndhurst City Hall | Building | 315 | Cuyahoga | 41 31 13 N | 081 29 18 W |
| Lyndhurst Golf Course | Locale | 324 | Cuyahoga | 41 31 04 N | 081 28 29 W |
| Lyndhurst Post Office (historical) | Post Office | 317 | Cuyahoga | 41 31 10 N | 081 29 19 W |
| Lyndon | Populated Place | 274 | Ross | 39 21 09 N | 083 18 44 W |
| Lyndon Cemetery | Cemetery | 262 | Athens | 39 11 06 N | 081 46 30 W |
| Lyndon Post Office | Post Office | 274 | Ross | 39 21 10 N | 083 18 45 W |
| Lynkirk Church of Christ | Church | 335 | Mahoning | 41 04 06 N | 080 43 35 W |
| Lynn | Populated Place | 300 | Marion | 40 29 56 N | 083 06 26 W |
| Lynn Center Park (subdivision) | Populated Place | 349 | Stark | 40 48 36 N | 081 18 33 W |
| Lynn Grove Cemetery | Cemetery | 306 | Hardin | 40 35 35 N | 083 34 05 W |
| Lynn Kirk Elementary School | School | 330 | Mahoning | 41 03 59 N | 080 43 35 W |