Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| First United Methodist Church of East Liverpool | Church | 232 | Columbiana | 40 37 11 N | 080 34 55 W |
| First United Methodist Church of Franklin | Church | 205 | Warren | 39 33 39 N | 084 18 14 W |
| First United Methodist Church of Girard | Church | 274 | Trumbull | 41 09 17 N | 080 42 12 W |
| First United Methodist Church of Hubbard | Church | 306 | Trumbull | 41 09 18 N | 080 34 13 W |
| First United Methodist Church of Leetonia | Church | 317 | Columbiana | 40 52 33 N | 080 45 12 W |
| First United Methodist Church of Lisbon | Church | 292 | Columbiana | 40 46 14 N | 080 46 03 W |
| First United Methodist Church of Mineral Ridge | Church | 312 | Trumbull | 41 08 37 N | 080 46 09 W |
| First United Methodist Church of New Carlisle | Church | 274 | Clark | 39 56 07 N | 084 01 30 W |
| First United Methodist Church of Niles | Church | 315 | Trumbull | 41 11 17 N | 080 44 37 W |
| First United Methodist Church of Perrysburg | Church | 191 | Wood | 41 33 29 N | 083 37 54 W |
| First United Methodist Church of Ravenna | Church | 344 | Portage | 41 09 19 N | 081 14 29 W |
| First United Methodist Church of Toronto | Church | 218 | Jefferson | 40 27 53 N | 080 36 12 W |
| First United Methodist Church of Wellsville | Church | 212 | Columbiana | 40 36 29 N | 080 38 40 W |
| First United Methodist Church of West Austintown | Church | 313 | Mahoning | 41 05 55 N | 080 47 07 W |
| First United Pentecostal Church | Church | 207 | Cuyahoga | 41 29 03 N | 081 43 12 W |
| First United Presbyterian Church | Church | 201 | Belmont | 40 00 58 N | 080 44 35 W |
| First United Presbyterian Church | Church | 319 | Champaign | 40 15 14 N | 083 52 13 W |
| First United Presbyterian Church | Church | 302 | Clark | 39 55 10 N | 083 48 31 W |
| First United Presbyterian Church | Church | 318 | Darke | 40 06 05 N | 084 37 52 W |
| First United Presbyterian Church | Church | 201 | Erie | 41 17 56 N | 082 36 14 W |
| First United Presbyterian Church | Church | 268 | Franklin | 39 57 18 N | 082 47 60 W |
| First United Presbyterian Church | Church | 287 | Greene | 39 41 12 N | 083 55 34 W |
| First United Presbyterian Church | Church | 307 | Jefferson | 40 19 36 N | 080 37 20 W |
| First United Presbyterian Church | Church | 379 | Logan | 40 21 42 N | 083 45 36 W |
| First United Presbyterian Church | Church | 192 | Lorain | 41 26 37 N | 082 07 57 W |
| First United Presbyterian Church | Church | 222 | Lorain | 41 21 58 N | 082 06 14 W |
| First United Presbyterian Church | Church | 221 | Muskingum | 39 56 18 N | 082 01 00 W |
| First United Presbyterian Church | Church | 320 | Preble | 39 51 27 N | 084 47 22 W |
| First United Presbyterian Church | Church | 258 | Preble | 39 37 53 N | 084 38 51 W |
| First United Presbyterian Church | Church | 317 | Preble | 39 44 47 N | 084 38 16 W |
| First United Presbyterian Church | Church | 338 | Richland | 40 52 57 N | 082 39 44 W |
| First United Presbyterian Church | Church | 379 | Richland | 40 45 34 N | 082 31 07 W |
| First United Presbyterian Church | Church | 212 | Sandusky | 41 18 15 N | 082 58 33 W |
| First United Presbyterian Church | Church | 354 | Stark | 40 54 54 N | 081 06 06 W |
| First United Presbyterian Church | Church | 334 | Stark | 40 48 45 N | 081 22 39 W |
| First United Presbyterian Church | Church | 236 | Van Wert | 40 50 38 N | 084 20 33 W |
| First United Presbyterian Church of East Cleveland | Church | 210 | Cuyahoga | 41 32 40 N | 081 33 59 W |
| First United Presbyterian Church of East Palestine | Church | 306 | Columbiana | 40 50 02 N | 080 32 29 W |
| First United Presbyterian Church of Pataskala | Church | 305 | Licking | 39 59 40 N | 082 40 32 W |
| First Universalist Cemetery | Cemetery | 341 | Darke | 39 58 01 N | 084 42 22 W |
| First Universalist Church | Church | 296 | Clinton | 39 17 38 N | 083 59 16 W |
| First Universalist Church | Church | 340 | Darke | 39 57 59 N | 084 42 23 W |
| First Universalist Church | Church | 219 | Huron | 41 14 29 N | 082 37 01 W |
| First Universalist Church | Church | 326 | Portage | 41 09 19 N | 081 21 37 W |
| First Universalist Church of Olmsted | Church | 238 | Cuyahoga | 41 24 46 N | 081 55 41 W |
| First Ward Elementary School | School | 200 | Belmont | 40 00 14 N | 080 44 41 W |
| First Wesleyan Church | Church | 231 | Hamilton | 39 07 21 N | 084 30 13 W |
| First Wesleyan Church | Church | 288 | Marion | 40 35 08 N | 083 08 50 W |
| First Wesleyan Church | Church | 252 | Miami | 40 01 48 N | 084 11 45 W |
| First Wesleyan Church | Church | 239 | Montgomery | 39 45 35 N | 084 14 16 W |
| First Wesleyan Church | Church | 360 | Richland | 40 46 13 N | 082 30 19 W |
| First Wesleyan Methodist Church | Church | 185 | Cuyahoga | 41 34 24 N | 081 33 51 W |
| First Wesleyan Methodist Church | Church | 306 | Knox | 40 24 09 N | 082 29 37 W |
| First Wesleyan Methodist Church | Church | 288 | Marion | 40 35 35 N | 083 08 32 W |
| First Wesleyan Methodist Church | Church | 298 | Stark | 40 47 23 N | 081 32 00 W |
| First Wesleyan Methodist Church (historical) | Church | 258 | Licking | 40 03 42 N | 082 24 24 W |
| First Wesleyan Methodist Episcopal Church (historical) | Church | 168 | Hamilton | 39 06 08 N | 084 30 51 W |
| First Westminster Presbyterian Church | Church | 218 | Jefferson | 40 21 46 N | 080 36 51 W |
| First Zion Baptist Church | Church | 191 | Cuyahoga | 41 32 03 N | 081 36 58 W |
| Fischers Pond | Lake | 174 | Ottawa | 41 41 21 N | 082 49 07 W |
| Fish Cemetery | Cemetery | 219 | Meigs | 39 10 46 N | 081 55 40 W |
| Fish Cemetery | Cemetery | 211 | Wood | 41 22 12 N | 083 30 14 W |
| Fish Creek | Populated Place | 323 | Summit | 41 09 20 N | 081 24 07 W |
| Fish Creek | Stream | | Mahoning | 40 55 33 N | 081 04 26 W |
| Fish Creek | Stream | | Summit | 41 08 26 N | 081 23 56 W |
| Fish Creek | Stream | | Williams | 41 27 42 N | 084 44 37 W |
| Fish Creek Elementary School | School | 338 | Summit | 41 11 15 N | 081 25 38 W |
| Fish Creek School (historical) | School | 256 | Williams | 41 28 09 N | 084 44 55 W |
| Fishcreek Plaza Shopping Center | Locale | 323 | Summit | 41 09 38 N | 081 24 11 W |
| Fishel Industrial Park | Locale | 281 | Franklin | 40 06 15 N | 083 09 50 W |
| Fisher | Populated Place | 201 | Athens | 39 16 45 N | 082 08 42 W |
| Fisher Cemetery | Cemetery | 291 | Allen | 40 44 33 N | 083 56 15 W |
| Fisher Cemetery | Cemetery | 292 | Hardin | 40 34 15 N | 083 27 59 W |
| Fisher Cemetery | Cemetery | 337 | Holmes | 40 27 32 N | 081 41 19 W |
| Fisher Cemetery | Cemetery | 276 | Jackson | 39 06 01 N | 082 25 40 W |
| Fisher Cemetery | Cemetery | 298 | Preble | 39 43 36 N | 084 34 34 W |
| Fisher Cemetery | Cemetery | 304 | Preble | 39 43 44 N | 084 37 07 W |
| Fisher Hollow | Valley | | Lawrence | 38 36 27 N | 082 42 00 W |
| Fisher Run | Stream | | Monroe | 39 40 07 N | 080 52 00 W |
| Fisher School (historical) | School | 294 | Allen | 40 44 48 N | 083 56 09 W |
| Fisher School (historical) | School | 343 | Crawford | 40 49 43 N | 082 47 02 W |
| Fisher School (historical) | School | 322 | Delaware | 40 16 42 N | 082 49 14 W |
| Fisher School (historical) | School | 227 | Paulding | 41 00 16 N | 084 37 49 W |
| Fisher School (historical) | School | 256 | Ross | 39 22 57 N | 083 12 54 W |
| Fisher School (historical) | School | 194 | Scioto | 38 46 12 N | 082 41 31 W |
| Fisher-Titus Memorial Hospital | Hospital | 235 | Huron | 41 13 32 N | 082 36 13 W |
| Fishermans Trail | Trail | 239 | Columbiana | 40 42 28 N | 080 34 39 W |
| Fishers School (historical) | School | 302 | Preble | 39 43 19 N | 084 34 34 W |
| Fishersville | Populated Place | 215 | Jefferson | 40 21 02 N | 080 37 31 W |
| Fishery Bay | Bay | 174 | Ottawa | 41 39 27 N | 082 49 32 W |
| Fishing Creek | Stream | | Sandusky | 41 26 12 N | 083 05 37 W |
| Fishing Gut Creek | Stream | | Brown | 38 39 19 N | 083 45 54 W |
| Fishinger Bridge | Bridge | 229 | Franklin | 40 01 39 N | 083 05 40 W |
| Fishinger School | School | 261 | Franklin | 40 01 49 N | 083 03 50 W |
| Fissel Lauth Cemetery | Cemetery | 250 | Van Wert | 40 43 18 N | 084 23 50 W |
| Fitch | Populated Place | 187 | Lucas | 41 41 47 N | 083 35 27 W |
| Fitch | Populated Place | 356 | Mahoning | 41 05 26 N | 080 32 41 W |
| Fitch High School | School | 346 | Mahoning | 41 05 31 N | 080 44 19 W |
| Fitch Hollow | Valley | | Lawrence | 38 31 08 N | 082 26 19 W |
| Fitch School | School | 237 | Cuyahoga | 41 23 12 N | 081 55 09 W |
| Fitch School (historical) | School | 152 | Brown | 38 43 39 N | 083 47 13 W |
| Fitchs Chapel Cemetery | Cemetery | 153 | Brown | 38 43 39 N | 083 47 15 W |
| Fitchville | Populated Place | 302 | Huron | 41 05 41 N | 082 29 19 W |
| Fitchville Cemetery | Cemetery | 304 | Huron | 41 05 54 N | 082 29 25 W |
| Fitchville Elementary School | School | 302 | Huron | 41 05 42 N | 082 29 33 W |
| Fitchville Post Office (historical) | Post Office | 302 | Huron | 41 05 40 N | 082 29 20 W |
| Fite Memorial Baptist Church | Church | 291 | Marion | 40 34 50 N | 083 08 38 W |
| Fitton Center for Creative Arts | Building | 177 | Butler | 39 23 57 N | 084 33 57 W |
| Fitzgerald Cemetery | Cemetery | 285 | Madison | 39 48 48 N | 083 14 59 W |
| Fitzgerald Ditch | Canal | 288 | Madison | 40 01 02 N | 083 17 33 W |