Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Turkeyfoot Beach | Beach | 301 | Summit | 40 58 08 N | 081 32 43 W |
| Turkeyfoot Creek | Stream | | Shelby | 40 20 13 N | 084 04 14 W |
| Turkeyfoot Elementary School | School | 306 | Summit | 40 58 49 N | 081 32 28 W |
| Turkeyfoot Golf Course | Locale | 311 | Summit | 40 58 36 N | 081 31 48 W |
| Turkeyfoot Island | Island | 307 | Summit | 40 58 23 N | 081 32 23 W |
| Turkeyfoot Junction (historical) | Locale | 297 | Summit | 40 58 44 N | 081 36 27 W |
| Turkeyfoot Lake | Lake | 300 | Summit | 40 58 10 N | 081 32 16 W |
| Turkeyfoot Point | Cape | 305 | Logan | 40 30 48 N | 083 52 08 W |
| Turkeyfoot Rock | Summit | 181 | Lucas | 41 32 17 N | 083 41 52 W |
| Turkeyfoot Run | Stream | | Columbiana | 40 44 02 N | 080 38 29 W |
| Turkeyfoot Run | Stream | | Scioto | 38 43 31 N | 082 44 23 W |
| Turkeyfoot Run | Stream | | Tuscarawas | 40 34 40 N | 081 31 40 W |
| Turkeyfoot School (historical) | School | 254 | Clermont | 38 51 39 N | 084 10 06 W |
| Turkeyhen Run | Stream | | Washington | 39 24 45 N | 081 35 12 W |
| Turnberry Estates (subdivision) | Populated Place | 185 | Wood | 41 36 13 N | 083 27 15 W |
| Turnberry Golf Course | Locale | 250 | Fairfield | 39 55 29 N | 082 47 22 W |
| Turner Cemetery | Cemetery | 268 | Montgomery | 39 45 57 N | 084 17 44 W |
| Turner Cemetery | Cemetery | 178 | Scioto | 38 45 57 N | 082 50 04 W |
| Turner Chapel African Methodist Episcopal Church | Church | 352 | Crawford | 40 47 04 N | 082 43 57 W |
| Turner Family Cemetery | Cemetery | 334 | Clinton | 39 19 07 N | 083 48 11 W |
| Turner Hall | Building | 291 | Hardin | 40 46 04 N | 083 49 31 W |
| Turner Junior High School | School | 274 | Trumbull | 41 14 55 N | 080 49 46 W |
| Turner Ridge | Ridge | 359 | Pike | 39 07 17 N | 083 18 25 W |
| Turner Ridge | Ridge | 287 | Vinton | 39 16 37 N | 082 19 26 W |
| Turner School (historical) | School | 310 | Shelby | 40 17 04 N | 084 24 56 W |
| Turner Street School (historical) | School | 314 | Mahoning | 41 02 50 N | 080 47 47 W |
| Turney Center School (historical) | School | 375 | Morrow | 40 23 28 N | 082 45 40 W |
| Turney Dunham Plaza Shopping Center | Locale | 280 | Cuyahoga | 41 23 32 N | 081 34 33 W |
| Turneytown Shopping Center | Locale | 276 | Cuyahoga | 41 25 29 N | 081 36 46 W |
| Turning Basin | Harbor | 177 | Cuyahoga | 41 28 36 N | 081 40 20 W |
| Turpin High School | School | 197 | Hamilton | 39 06 21 N | 084 22 02 W |
| Turpin Hills | Populated Place | 198 | Hamilton | 39 06 36 N | 084 22 48 W |
| Turtle Creek | Stream | | Highland | 39 14 26 N | 083 47 40 W |
| Turtle Creek | Stream | | Ottawa | 41 36 55 N | 083 07 43 W |
| Turtle Creek | Stream | | Shelby | 40 13 58 N | 084 15 14 W |
| Turtle Creek | Stream | | Warren | 39 22 11 N | 084 13 14 W |
| Turtle Creek Bay | Bay | 175 | Ottawa | 41 36 32 N | 083 08 22 W |
| Turtle Creek Cemetery | Cemetery | 244 | Warren | 39 28 14 N | 084 07 26 W |
| Turtle Creek Lake Area | Park | 175 | Ottawa | 41 36 27 N | 083 09 26 W |
| Turtle Creek School (historical) | School | 296 | Warren | 39 27 34 N | 084 07 29 W |
| Turtle Island | Island | 175 | Lucas | 41 45 09 N | 083 23 28 W |
| Turtle Neck Point | Populated Place | 266 | Mercer | 40 30 07 N | 084 32 27 W |
| Turtle Shell Island | Island | 302 | Logan | 40 28 28 N | 083 52 28 W |
| Turton School (historical) | School | 214 | Clermont | 38 49 08 N | 084 08 18 W |
| Tuscarawas | Populated Place | 259 | Tuscarawas | 40 23 41 N | 081 24 25 W |
| Tuscarawas Avenue Elementary School | School | 277 | Tuscarawas | 40 30 07 N | 081 27 54 W |
| Tuscarawas Avenue-Alexander Square Commerical Historic District | Park | 295 | Summit | 41 00 48 N | 081 36 38 W |
| Tuscarawas Branch Kent State University | School | 268 | Tuscarawas | 40 28 05 N | 081 24 27 W |
| Tuscarawas County | Civil | 333 | Tuscarawas | 40 27 00 N | 081 27 59 W |
| Tuscarawas County Childrens Home | Locale | 270 | Tuscarawas | 40 30 47 N | 081 28 28 W |
| Tuscarawas County Courthouse | Building | 276 | Tuscarawas | 40 29 24 N | 081 26 42 W |
| Tuscarawas County Fairgrounds | Locale | 272 | Tuscarawas | 40 30 54 N | 081 28 11 W |
| Tuscarawas County Home | Building | 276 | Tuscarawas | 40 28 15 N | 081 24 18 W |
| Tuscarawas County Infirmary | Hospital | 276 | Tuscarawas | 40 28 15 N | 081 24 16 W |
| Tuscarawas County Jail | Building | 274 | Tuscarawas | 40 29 27 N | 081 26 33 W |
| Tuscarawas County Jewish Center | Building | 275 | Tuscarawas | 40 29 30 N | 081 26 52 W |
| Tuscarawas County Law Library | Building | 276 | Tuscarawas | 40 29 24 N | 081 26 42 W |
| Tuscarawas County Public Library | Building | 275 | Tuscarawas | 40 29 30 N | 081 26 45 W |
| Tuscarawas Memorial Community Park | Park | 257 | Tuscarawas | 40 23 43 N | 081 23 56 W |
| Tuscarawas Middle School | School | 259 | Tuscarawas | 40 23 54 N | 081 24 13 W |
| Tuscarawas River | Stream | | Coshocton | 40 16 31 N | 081 52 24 W |
| Tuscarawas River Diversion Dam | Dam | 302 | Summit | 41 00 39 N | 081 30 51 W |
| Tuscarawas Station (historical) | Locale | 256 | Tuscarawas | 40 23 07 N | 081 23 38 W |
| Tuscarawas Valley High School | School | 285 | Tuscarawas | 40 35 58 N | 081 24 14 W |
| Tuscora Park | Park | 319 | Summit | 41 00 49 N | 081 35 15 W |
| Tuscora Park | Park | 278 | Tuscarawas | 40 30 05 N | 081 26 39 W |
| Tusculum | Populated Place | 209 | Hamilton | 39 07 22 N | 084 25 42 W |
| Tuslaw High School | School | 326 | Stark | 40 48 33 N | 081 36 08 W |
| Tuslaw Lions Club Park | Park | 332 | Stark | 40 46 33 N | 081 36 16 W |
| Tussig Road Cemetery | Cemetery | 285 | Delaware | 40 09 00 N | 082 54 06 W |
| Tussing Cemetery | Cemetery | 280 | Allen | 40 39 47 N | 084 02 43 W |
| Tussing Ditch | Canal | 224 | Franklin | 39 50 38 N | 082 50 25 W |
| Tustison Creek | Stream | | Paulding | 41 14 40 N | 084 47 23 W |
| Tuttle Cemetery | Cemetery | 344 | Clark | 39 54 10 N | 083 39 60 W |
| Tuttle Cemetery | Cemetery | 320 | Clark | 39 55 59 N | 083 43 17 W |
| Tuttle Cemetery | Cemetery | 348 | Morrow | 40 41 33 N | 082 49 16 W |
| Tuttle Field | Park | 222 | Franklin | 40 00 27 N | 083 01 01 W |
| Tuttle Park | Park | 220 | Franklin | 40 00 41 N | 083 00 57 W |
| Tuvell Cemetery | Cemetery | 317 | Ross | 39 12 49 N | 083 09 53 W |
| Tweed Cemetery | Cemetery | 207 | Ross | 39 14 22 N | 082 47 40 W |
| Tweed Park | Park | 277 | Miami | 39 58 12 N | 084 11 31 W |
| Twelfth Avenue Baptist Church | Church | 259 | Franklin | 39 59 53 N | 082 58 27 W |
| Twelve Corners | Locale | 341 | Licking | 40 08 21 N | 082 43 10 W |
| Twelvemile Creek | Stream | | Clermont | 38 58 06 N | 084 17 38 W |
| Twelvemile Creek | Stream | | Mercer | 40 40 27 N | 084 30 37 W |
| Twelvemile School (historical) | School | 164 | Clermont | 38 57 54 N | 084 15 11 W |
| Twentieth Street Methodist Episcopal Church (historical) | Church | 187 | Lorain | 41 27 08 N | 082 10 08 W |
| Twenty Mile Stand | Populated Place | 253 | Warren | 39 18 23 N | 084 16 48 W |
| Twentyfirst Century Boat Harbor | Harbor | 141 | Hamilton | 39 04 43 N | 084 35 35 W |
| Twentysecond United Presbyterian Church | Church | 264 | Cuyahoga | 41 26 43 N | 081 36 32 W |
| Twentyseven Mile Creek | Stream | | Van Wert | 40 46 06 N | 084 48 52 W |
| Twightwee | Populated Place | 176 | Hamilton | 39 15 07 N | 084 17 12 W |
| Twin Ash Airport | Airport | 368 | Belmont | 40 04 56 N | 080 59 38 W |
| Twin Branches | Stream | | Hardin | 40 40 28 N | 083 46 34 W |
| Twin Bridges | Bridge | 207 | Clermont | 39 01 04 N | 084 05 56 W |
| Twin Bridges | Locale | 189 | Washington | 39 16 34 N | 081 42 40 W |
| Twin Churches Lake | Lake | 251 | Perry | 39 41 52 N | 082 19 60 W |
| Twin Cities Hospital | Hospital | 274 | Tuscarawas | 40 24 06 N | 081 20 11 W |
| Twin Creek | Stream | | Warren | 39 32 42 N | 084 20 55 W |
| Twin Creek Bar | Bar | 151 | Scioto | 38 37 37 N | 083 15 07 W |
| Twin Creek Church | Church | 324 | Preble | 39 53 39 N | 084 35 48 W |
| Twin Creek Lookout Tower | Tower | 370 | Adams | 38 42 07 N | 083 16 53 W |
| Twin Creek Mission (historical) | Church | 174 | Adams | 38 39 08 N | 083 16 55 W |
| Twin Creek Park | Park | 206 | Warren | 39 34 47 N | 084 20 40 W |
| Twin Elementary School | School | 214 | Ross | 39 17 02 N | 083 09 33 W |
| Twin Hill Lake | Reservoir | 213 | Butler | 39 22 43 N | 084 29 15 W |
| Twin Islands Campground | Locale | 153 | Adams | 38 41 43 N | 083 33 58 W |
| Twin Knobs | Summit | 347 | Pike | 39 08 00 N | 083 07 54 W |
| Twin Knobs | Summit | 322 | Ross | 39 19 09 N | 082 51 10 W |
| Twin Lake | Reservoir | 195 | Lawrence | 38 30 41 N | 082 24 42 W |