Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Upper Bear Lake | Reservoir | 337 | Geauga | 41 21 19 N | 081 17 33 W |
| Upper Blue Creek Tabernacle | Church | 247 | Adams | 38 44 23 N | 083 21 10 W |
| Upper Brush Creek School (historical) | School | 268 | Adams | 38 58 03 N | 083 39 13 W |
| Upper Craborchard School (historical) | School | 314 | Guernsey | 40 09 24 N | 081 19 12 W |
| Upper Darby Bridge | Bridge | 314 | Union | 40 14 57 N | 083 31 60 W |
| Upper Dayton View | Populated Place | 274 | Montgomery | 39 47 00 N | 084 13 60 W |
| Upper Diehl Lake | Lake | 324 | Mahoning | 41 00 42 N | 080 51 54 W |
| Upper Downtown Canton Historic District | Park | | Stark | 40 48 00 N | 081 22 27 W |
| Upper Dry Run School (historical) | School | 195 | Scioto | 38 46 43 N | 083 02 55 W |
| Upper Fivemile | Populated Place | 293 | Brown | 39 07 10 N | 083 55 59 W |
| Upper Fox Hollow (subdivision) | Populated Place | 321 | Clark | 39 57 53 N | 083 51 30 W |
| Upper Georges Creek School (historical) | School | 256 | Adams | 38 58 12 N | 083 32 37 W |
| Upper Girard Lake | Reservoir | 305 | Trumbull | 41 11 36 N | 080 41 47 W |
| Upper Gwynne Farm Cemetery | Cemetery | 305 | Madison | 39 56 11 N | 083 24 56 W |
| Upper Hickory Hills Lake | Reservoir | 206 | Meigs | 39 09 54 N | 081 51 29 W |
| Upper Hickory Hills Lake Dam | Dam | 206 | Meigs | 39 09 54 N | 081 51 29 W |
| Upper Honey Creek Cemetery | Cemetery | 351 | Champaign | 40 04 37 N | 084 01 16 W |
| Upper Honey Run School (historical) | School | 293 | Holmes | 40 34 36 N | 081 52 42 W |
| Upper Horseshoe School (historical) | School | 292 | Delaware | 40 22 05 N | 083 01 54 W |
| Upper Lansdowne Golf Course | Locale | 224 | Pickaway | 39 42 24 N | 082 54 06 W |
| Upper Lick | Stream | | Scioto | 38 43 32 N | 083 05 28 W |
| Upper Lick Run School (historical) | School | 198 | Scioto | 38 42 50 N | 082 47 32 W |
| Upper Lowell | Populated Place | 209 | Washington | 39 32 08 N | 081 31 18 W |
| Upper McCarley Cemetery | Cemetery | 224 | Gallia | 38 57 23 N | 082 19 23 W |
| Upper Ninemile School (historical) | School | 184 | Clermont | 39 02 42 N | 084 17 35 W |
| Upper North Fork | Stream | | Jefferson | 40 31 31 N | 080 53 04 W |
| Upper Opossum School (historical) | School | 272 | Noble | 39 52 14 N | 081 25 09 W |
| Upper Pond Creek School (historical) | School | 215 | Scioto | 38 46 53 N | 083 05 59 W |
| Upper Prairie Creek | Stream | | Paulding | 40 59 46 N | 084 40 24 W |
| Upper Reservoir | Reservoir | 242 | Huron | 41 14 00 N | 082 34 60 W |
| Upper Rocky Fork Church | Church | 329 | Scioto | 38 43 03 N | 083 15 19 W |
| Upper Room Church of God | Church | 237 | Franklin | 39 57 25 N | 082 57 31 W |
| Upper Sand Run | Stream | | Holmes | 40 32 12 N | 081 53 05 W |
| Upper Sandusky | Populated Place | 258 | Wyandot | 40 49 38 N | 083 16 53 W |
| Upper Sandusky City Hall | Building | 259 | Wyandot | 40 49 43 N | 083 16 58 W |
| Upper Sandusky Community Library | Building | 258 | Wyandot | 40 49 35 N | 083 17 04 W |
| Upper Sandusky High School | School | 256 | Wyandot | 40 50 28 N | 083 16 57 W |
| Upper Sandusky Mausoleum | Cemetery | 265 | Wyandot | 40 48 29 N | 083 17 05 W |
| Upper Sandusky Post Office | Post Office | 259 | Wyandot | 40 49 40 N | 083 16 57 W |
| Upper Sandusky Reservoir | Reservoir | 253 | Wyandot | 40 49 12 N | 083 16 18 W |
| Upper Sandusky Reservoir Dam | Dam | 253 | Wyandot | 40 49 12 N | 083 16 18 W |
| Upper Scioto Valley High School | School | 296 | Hardin | 40 41 29 N | 083 47 11 W |
| Upper Shaker Lake | Reservoir | 299 | Cuyahoga | 41 29 00 N | 081 33 35 W |
| Upper Shaker Lake Dam | Dam | 299 | Cuyahoga | 41 29 00 N | 081 33 35 W |
| Upper Shaw Hollow | Valley | | Scioto | 38 43 45 N | 083 09 46 W |
| Upper Sister Creek | Stream | | Adams | 38 41 50 N | 083 29 51 W |
| Upper Straight Channel | Canal | 174 | Erie | 41 28 47 N | 082 42 03 W |
| Upper Tauwa (historical) | Populated Place | 221 | Putnam | 41 00 48 N | 084 01 15 W |
| Upper Telpahak School (historical) | School | 326 | Stark | 40 44 17 N | 081 11 23 W |
| Upper Twin Creek | Stream | | Ross | 39 16 38 N | 083 09 09 W |
| Upper Twin Creek | Stream | | Scioto | 38 37 43 N | 083 14 58 W |
| Upper Twin Creek School (historical) | School | 198 | Scioto | 38 39 34 N | 083 13 29 W |
| Upper Valley Joint Vocational School | School | 286 | Miami | 40 09 44 N | 084 12 52 W |
| Upper Valley Mall Shopping Center | Locale | 282 | Clark | 39 56 56 N | 083 51 13 W |
| Upper Valley Trailer Court | Populated Place | 256 | Greene | 39 49 56 N | 084 03 38 W |
| Upper Wabash Number Three Pond | Reservoir | 290 | Mercer | 40 23 36 N | 084 47 48 W |
| Upper Wabash Number Three Pond Dam | Dam | 290 | Mercer | 40 23 36 N | 084 47 48 W |
| Upper Wabash Structure Number Two Dam | Dam | 300 | Darke | 40 21 48 N | 084 40 60 W |
| Upper Wabash Structure Number Two Reservoir | Reservoir | 300 | Darke | 40 21 48 N | 084 40 60 W |
| Upper Woodsfield Reservoir | Reservoir | 334 | Monroe | 39 47 48 N | 081 07 23 W |
| Upper Woodsfield Reservoir Dam | Dam | 335 | Monroe | 39 47 48 N | 081 07 23 W |
| Upshaw African Methodist Episcopal Church | Church | 238 | Montgomery | 39 45 28 N | 084 14 19 W |
| Upson Elementary School | School | 188 | Cuyahoga | 41 36 48 N | 081 30 14 W |
| Upson Meacham Cemetery | Cemetery | 363 | Portage | 41 02 30 N | 081 18 48 W |
| Upthegrove Cemetery | Cemetery | 219 | Paulding | 41 09 53 N | 084 31 27 W |
| Upton | Populated Place | 177 | Sandusky | 41 24 54 N | 083 00 41 W |
| Upton United Methodist Church | Church | 186 | Lucas | 41 41 08 N | 083 35 23 W |
| Uptown Deliverance Church | Church | 169 | Hamilton | 39 06 59 N | 084 30 58 W |
| Uptown Shopping Center | Locale | 326 | Mahoning | 41 04 16 N | 080 39 25 W |
| Ural (historical) | Populated Place | 219 | Vinton | 39 15 33 N | 082 22 48 W |
| Urban Church of God | Church | 309 | Summit | 41 02 37 N | 081 33 33 W |
| Urban Community School | School | 201 | Cuyahoga | 41 29 33 N | 081 42 28 W |
| Urban Hill | Populated Place | 333 | Stark | 40 50 50 N | 081 37 07 W |
| Urbana | Populated Place | 320 | Champaign | 40 06 30 N | 083 45 09 W |
| Urbana City Hall | Building | 318 | Champaign | 40 06 24 N | 083 45 09 W |
| Urbana Friends Church | Church | 311 | Champaign | 40 06 37 N | 083 45 49 W |
| Urbana High School | School | 329 | Champaign | 40 06 45 N | 083 44 34 W |
| Urbana Junior College | School | 318 | Champaign | 40 06 10 N | 083 45 45 W |
| Urbana Junior High School | School | 331 | Champaign | 40 06 47 N | 083 44 34 W |
| Urbana Monument Square Historic District | Park | 320 | Champaign | 40 06 30 N | 083 45 10 W |
| Urbana Post Office | Post Office | 317 | Champaign | 40 06 24 N | 083 45 11 W |
| Urbana School | School | 347 | Champaign | 40 04 03 N | 083 44 11 W |
| Urbana United Methodist Church | Church | 320 | Champaign | 40 06 37 N | 083 45 10 W |
| Urbancrest | Populated Place | 256 | Franklin | 39 53 51 N | 083 05 13 W |
| Urbancrest Post Office (historical) | Post Office | 256 | Franklin | 39 53 50 N | 083 05 13 W |
| Ursuline Academy | School | 210 | Cuyahoga | 41 31 37 N | 081 35 05 W |
| Ursuline Academy | School | 250 | Hamilton | 39 07 50 N | 084 29 51 W |
| Ursuline Academy | School | 249 | Hamilton | 39 14 53 N | 084 22 16 W |
| Ursuline Cemetery | Cemetery | 299 | Brown | 39 12 28 N | 083 53 16 W |
| Ursuline College | School | 331 | Cuyahoga | 41 29 41 N | 081 28 11 W |
| Ursuline College | School | 247 | Cuyahoga | 41 30 07 N | 081 35 55 W |
| Ursuline Educational Center | Building | 332 | Cuyahoga | 41 29 42 N | 081 28 10 W |
| Ursuline School for Girls | School | 300 | Brown | 39 12 35 N | 083 53 16 W |
| Urusline High School | School | 297 | Mahoning | 41 06 35 N | 080 38 38 W |
| US Bank Arena | Park | 150 | Hamilton | 39 05 53 N | 084 30 17 W |
| Usce Test Laboratory | Building | 150 | Hamilton | 39 02 53 N | 084 23 51 W |
| Utah Ridge | Ridge | 299 | Athens | 39 25 26 N | 082 10 05 W |
| Utica | Populated Place | 292 | Licking | 40 14 03 N | 082 27 05 W |
| Utica | Populated Place | 293 | Warren | 39 29 51 N | 084 09 37 W |
| Utica Cemetery | Cemetery | 297 | Licking | 40 14 37 N | 082 27 09 W |
| Utica Elementary School | School | 292 | Licking | 40 13 58 N | 082 27 01 W |
| Utica High School | School | 302 | Licking | 40 14 15 N | 082 26 47 W |
| Utica Middle School | School | 293 | Licking | 40 14 03 N | 082 26 60 W |
| Utica Park | Park | 259 | Fairfield | 39 41 47 N | 082 36 17 W |
| Utica Post Office | Post Office | 292 | Licking | 40 14 00 N | 082 27 05 W |
| Utica Presbyterian Church | Church | 292 | Licking | 40 14 02 N | 082 27 11 W |
| Utica School (historical) | School | 253 | Fairfield | 39 41 55 N | 082 36 14 W |
| Utica School (historical) | School | 293 | Warren | 39 29 50 N | 084 09 39 W |
| Utley | Populated Place | 204 | Athens | 39 23 13 N | 081 54 35 W |
| Utley Post Office (historical) | Post Office | 200 | Athens | 39 23 15 N | 081 54 34 W |