Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Quarry Run | Stream | | Licking | 39 59 02 N | 082 23 28 W |
| Quarry Run | Stream | | Licking | 40 03 02 N | 082 23 16 W |
| Quarto Mine Number Four Dam Number Five | Dam | 195 | Monroe | 39 47 24 N | 080 50 23 W |
| Quarto Mine Number Four Dam Number Five | Reservoir | 195 | Monroe | 39 47 24 N | 080 50 23 W |
| Quarto Mine Number Four Dam Number Four | Dam | 195 | Monroe | 39 47 30 N | 080 50 17 W |
| Quarto Mine Number Four Dam Number Four | Reservoir | 195 | Monroe | 39 47 30 N | 080 50 17 W |
| Quarto Mine Number Four Dam Number One | Dam | 192 | Monroe | 39 47 48 N | 080 49 53 W |
| Quarto Mine Number Four Dam Number One | Reservoir | 192 | Monroe | 39 47 48 N | 080 49 53 W |
| Quarto Mine Number Four Dam Number Three | Dam | 193 | Monroe | 39 47 36 N | 080 50 11 W |
| Quarto Mine Number Four Dam Number Three | Reservoir | 193 | Monroe | 39 47 36 N | 080 50 11 W |
| Quarto Mine Number Four Dam Number Two | Dam | 196 | Monroe | 39 47 42 N | 080 49 59 W |
| Quarto Mine Number Four Dam Number Two | Reservoir | 196 | Monroe | 39 47 42 N | 080 49 59 W |
| Quarto Number Seven Slurry Impoundment Three Dam | Dam | 207 | Monroe | 39 43 12 N | 080 52 47 W |
| Quebec Church of God | Church | 161 | Hamilton | 39 07 31 N | 084 33 45 W |
| Quebec Heights Elementary School | School | 236 | Hamilton | 39 07 08 N | 084 34 08 W |
| Queen Acres | Populated Place | 225 | Butler | 39 23 41 N | 084 38 23 W |
| Queen City Club | Building | 164 | Hamilton | 39 06 03 N | 084 30 23 W |
| Queen City Missionary Baptist Church | Church | 155 | Hamilton | 39 10 12 N | 084 44 56 W |
| Queen City Yacht Club | Locale | 139 | Hamilton | 39 02 46 N | 084 23 41 W |
| Queen of Heaven Cemeteries | Cemetery | 243 | Athens | 39 29 32 N | 082 04 58 W |
| Queen of Heaven Church | Church | 368 | Summit | 40 56 49 N | 081 28 09 W |
| Queen of Martyrs Catholic Church | Church | 241 | Montgomery | 39 48 18 N | 084 11 54 W |
| Queen of Martyrs School | School | 242 | Montgomery | 39 48 19 N | 084 11 54 W |
| Queen of Peace Monastery | Church | 359 | Portage | 40 59 25 N | 081 11 22 W |
| Queen of Peace Roman Catholic Church | Church | 210 | Butler | 39 23 38 N | 084 38 40 W |
| Queen of Peace School | School | 208 | Butler | 39 23 38 N | 084 38 43 W |
| Queensboro | Populated Place | 288 | Carroll | 40 31 05 N | 081 13 17 W |
| Queensgate Playfield | Park | 155 | Hamilton | 39 06 18 N | 084 31 40 W |
| Queenswood Industrial Park | Locale | 190 | Hamilton | 39 15 18 N | 084 27 45 W |
| Queer Creek | Stream | | Hocking | 39 24 26 N | 082 38 04 W |
| Quellhorst School (historical) | School | 297 | Shelby | 40 26 21 N | 084 14 22 W |
| Quickbum Hollow | Valley | | Morgan | 39 28 05 N | 081 55 57 W |
| Quicks Run Light | Locale | 253 | Adams | 38 40 01 N | 083 30 01 W |
| Quickstep | Populated Place | 300 | Hardin | 40 39 36 N | 083 50 20 W |
| Quickstep Pentecostal Church of God | Church | 301 | Hardin | 40 39 35 N | 083 50 30 W |
| Quinby Park | Park | 274 | Trumbull | 41 13 55 N | 080 50 07 W |
| Quincy | Populated Place | 321 | Logan | 40 17 57 N | 083 58 08 W |
| Quincy Branch Cleveland Public Library | Building | 207 | Cuyahoga | 41 29 37 N | 081 38 00 W |
| Quincy Cemetery | Cemetery | 312 | Logan | 40 18 30 N | 083 58 10 W |
| Quincy Post Office | Post Office | 322 | Logan | 40 17 55 N | 083 58 10 W |
| Quincy School (historical) | School | 207 | Cuyahoga | 41 29 34 N | 081 38 06 W |
| Quinn African Methodist Episcopal Church | Church | 309 | Clinton | 39 26 44 N | 083 49 31 W |
| Quinn African Methodist Episcopal Church | Church | 219 | Jefferson | 40 21 51 N | 080 36 55 W |
| Quinn Chapel | Church | 305 | Adams | 38 43 34 N | 083 32 55 W |
| Quinn Chapel | Church | 168 | Lawrence | 38 32 05 N | 082 40 41 W |
| Quinn Chapel African Methodist Episcopal Church | Church | 192 | Ross | 39 19 57 N | 082 59 15 W |
| Quinn Chapel American Methodist Church | Church | 299 | Marion | 40 35 44 N | 083 07 34 W |
| Quinn Chapel Cemetery | Cemetery | 305 | Adams | 38 43 32 N | 083 32 58 W |
| Quinn Park | Park | 262 | Warren | 39 20 35 N | 084 20 38 W |
| Quinn School (historical) | School | 285 | Brown | 39 10 04 N | 083 59 14 W |
| Quinshan Cemetery | Cemetery | 209 | Sandusky | 41 21 14 N | 083 21 37 W |
| Quitoff Hollow | Valley | | Scioto | 38 43 25 N | 083 14 13 W |
| R A Stranahan Senior Arboretum | Locale | 193 | Lucas | 41 41 35 N | 083 40 19 W |
| R and F Coal Fresh Water Dam | Dam | 299 | Belmont | 40 01 30 N | 080 57 47 W |
| R and F Coal Fresh Water Impoundment | Reservoir | 299 | Belmont | 40 01 30 N | 080 57 47 W |
| R and F Heliport | Airport | 381 | Harrison | 40 17 19 N | 080 58 59 W |
| R and M Aviation Airport | Airport | 210 | Lorain | 41 27 13 N | 081 58 13 W |
| R C Ford Field | Airport | 214 | Lucas | 41 42 18 N | 083 49 44 W |
| R C Waters Elementary School | School | 180 | Ottawa | 41 31 12 N | 083 09 09 W |
| R Farm Lake | Lake | 359 | Medina | 41 05 39 N | 081 57 29 W |
| R G Droge Career Education Center | School | 343 | Stark | 40 46 02 N | 081 28 44 W |
| Raab Corners | Populated Place | 205 | Lucas | 41 39 28 N | 083 49 06 W |
| Raabe Cemetery | Cemetery | 227 | Putnam | 40 53 58 N | 084 16 44 W |
| Raabe School (historical) | School | 219 | Putnam | 40 58 31 N | 084 22 48 W |
| Rabbit Ridge | Ridge | 361 | Knox | 40 21 48 N | 082 12 27 W |
| Rabbit Ridge School (historical) | School | 361 | Knox | 40 21 42 N | 082 12 08 W |
| Rabbit Run | Stream | | Scioto | 38 41 31 N | 083 05 27 W |
| Rabbitsville School (historical) | School | 338 | Logan | 40 23 13 N | 083 49 06 W |
| Raccoon Creek | Stream | | Gallia | 38 43 28 N | 082 11 25 W |
| Raccoon Creek | Stream | | Licking | 40 02 47 N | 082 24 31 W |
| Raccoon Creek | Stream | | Sandusky | 41 26 34 N | 082 58 05 W |
| Raccoon Creek County Park | Park | 204 | Gallia | 38 47 28 N | 082 21 30 W |
| Raccoon Creek Reservoir | Reservoir | 214 | Sandusky | 41 17 24 N | 082 58 43 W |
| Raccoon Creek Upground Reservoir | Reservoir | 216 | Sandusky | 41 17 18 N | 082 58 36 W |
| Raccoon Creek Upground Reservoir Dam | Dam | 216 | Sandusky | 41 17 18 N | 082 58 36 W |
| Raccoon Island | Populated Place | 174 | Gallia | 38 43 10 N | 082 11 46 W |
| Raccoon Island (historical) | Island | 161 | Gallia | 38 43 52 N | 082 11 25 W |
| Raccoon Run | Stream | | Fairfield | 39 41 18 N | 082 25 27 W |
| Race Street Children's Garden | Park | | Hamilton | 39 06 39 N | 084 31 02 W |
| Racetrack Run | Stream | | Defiance | 41 19 04 N | 084 45 46 W |
| Racey School (historical) | School | 310 | Noble | 39 45 36 N | 081 33 47 W |
| Rachel Heights (subdivision) | Populated Place | 233 | Williams | 41 27 52 N | 084 34 56 W |
| Racine | Populated Place | 175 | Meigs | 38 58 16 N | 081 54 51 W |
| Racine Elementary School | School | 177 | Meigs | 38 58 09 N | 081 54 54 W |
| Racine Post Office | Post Office | 176 | Meigs | 38 58 15 N | 081 54 51 W |
| Radar Cemetery | Cemetery | 235 | Hancock | 41 07 53 N | 083 38 60 W |
| Radar School (historical) | School | 238 | Pike | 39 03 42 N | 082 48 32 W |
| Radcliff | Populated Place | 213 | Vinton | 39 08 27 N | 082 22 37 W |
| Radcliff Cemetery | Cemetery | 201 | Vinton | 39 08 07 N | 082 22 28 W |
| Radcliff United Brethren Church | Church | 204 | Vinton | 39 08 12 N | 082 22 28 W |
| Radcliffe School | School | 299 | Montgomery | 39 44 38 N | 084 18 15 W |
| Rader Creek | Stream | | Wood | 41 15 09 N | 083 44 01 W |
| Radio Range Park | Park | 265 | Hamilton | 39 09 34 N | 084 20 32 W |
| Radnor | Populated Place | 286 | Delaware | 40 23 03 N | 083 09 03 W |
| Radnor Cemetery | Cemetery | 286 | Delaware | 40 23 08 N | 083 08 60 W |
| Radnor Post Office | Post Office | 285 | Delaware | 40 23 05 N | 083 09 05 W |
| Rado (historical) | Populated Place | 342 | Noble | 39 41 57 N | 081 22 56 W |
| Rado Cemetery | Cemetery | 344 | Noble | 39 42 07 N | 081 22 54 W |
| Rado Post Office (historical) | Post Office | 326 | Noble | 39 41 55 N | 081 22 54 W |
| Ragersville | Populated Place | 306 | Tuscarawas | 40 27 09 N | 081 37 34 W |
| Ragersville Cemetery | Cemetery | 333 | Tuscarawas | 40 27 15 N | 081 37 46 W |
| Ragersville Elementary School | School | 311 | Tuscarawas | 40 26 56 N | 081 37 49 W |
| Rags Run | Stream | | Meigs | 39 04 30 N | 081 55 07 W |
| Rahn Park | Park | 288 | Montgomery | 39 40 10 N | 084 10 13 W |
| Raiders Run | Populated Place | 229 | Hamilton | 39 12 59 N | 084 22 09 W |
| Railpike Hollow | Valley | | Scioto | 38 38 50 N | 082 46 44 W |
| Railroad Hollow | Valley | | Scioto | 38 48 27 N | 082 45 31 W |
| Railroad School (historical) | School | 352 | Morrow | 40 24 41 N | 082 48 37 W |
| Railroad School (historical) | School | 241 | Van Wert | 40 56 48 N | 084 47 23 W |
| Railway Stop Heliport | Airport | 189 | Wood | 41 34 04 N | 083 31 41 W |