| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Hackney | city | Ohio | United States | 39.6325 | -81.67722 | 800 | 971 |
| Hagan Addition | city | Ohio | United States | 40.21472 | -80.88472 | 948 | 2682 |
| Hageman | city | Ohio | United States | 39.39 | -84.265 | 698 | 20907 |
| Hageman historical | city | Ohio | United States | 40.20833 | -84.07778 | 1095 | 2955 |
| Hagenbaugh historical | city | Ohio | United States | 40.15139 | -83.69222 | 1105 | 6540 |
| Hagerty historical | city | Ohio | United States | 39.66889 | -82.95722 | 688 | 6244 |
| Hagler | city | Ohio | United States | 39.58806 | -83.51389 | 997 | 2136 |
| Hakes Corners | city | Ohio | United States | 41.19667 | -80.72889 | 1040 | 57887 |
| Hales Creek | city | Ohio | United States | 38.81111 | -82.67556 | 780 | 2640 |
| Haller historical | city | Ohio | United States | 41.56139 | -84.05694 | 728 | 4790 |
| Hallett | city | Ohio | United States | 41.7075 | -83.52083 | 577 | 142166 |
| Halley historical | city | Ohio | United States | 38.65306 | -82.22972 | 898 | 2008 |
| Halliday Heights subdivision | city | Ohio | United States | 38.80222 | -82.2175 | 518 | 9578 |
| Hallock | city | Ohio | United States | 41.52667 | -84.5575 | 823 | 10972 |
| Halls Corners | city | Ohio | United States | 41.155 | -80.63222 | 987 | 69189 |
| Halls Valley historical | city | Ohio | United States | 39.66472 | -81.94167 | 971 | 1752 |
| Hallsville | city | Ohio | United States | 39.44389 | -82.82722 | 898 | 2891 |
| Halo | city | Ohio | United States | 41.04389 | -81.55472 | 997 | 146080 |
| Hambden | city | Ohio | United States | 41.60417 | -81.14583 | 1299 | 8346 |
| Hamburg | city | Ohio | United States | 39.88722 | -84.67639 | 1125 | 3633 |
| Hamburg | city | Ohio | United States | 39.65444 | -82.66083 | 1099 | 8552 |
| Hamburg historical | city | Ohio | United States | 39.58333 | -82.10278 | 813 | 3768 |
| Hamden | city | Ohio | United States | 39.15972 | -82.52694 | 764 | 6416 |
| Hamer | city | Ohio | United States | 41.62806 | -84.41528 | 797 | 2138 |
| Hamersville | city | Ohio | United States | 38.91778 | -83.98333 | 931 | 3850 |
| Hametown | city | Ohio | United States | 40.995 | -81.66806 | 1102 | 25332 |
| Hamilton | city | Ohio | United States | 39.39944 | -84.56139 | 600 | 89975 |
| Hamilton | city | Ohio | United States | 39.765 | -81.24139 | 1167 | 1917 |
| Hamilton Meadows | city | Ohio | United States | 39.85278 | -82.97833 | 698 | 27759 |
| Hamler | city | Ohio | United States | 41.22917 | -84.03417 | 702 | 2415 |
| Hamlet | city | Ohio | United States | 39.01889 | -84.19972 | 898 | 17770 |
| Hamley Run | city | Ohio | United States | 39.3975 | -82.16944 | 698 | 8139 |
| Hammansburg | city | Ohio | United States | 41.22639 | -83.68861 | 705 | 4470 |
| Hammond Crossroad | city | Ohio | United States | 40.18417 | -80.95611 | 1197 | 1962 |
| Hammondsville | city | Ohio | United States | 40.5575 | -80.70722 | 698 | 6888 |
| Hampstead | city | Ohio | United States | 39.68083 | -84.135 | 997 | 135274 |
| Hampton Woods subdivision | city | Ohio | United States | 39.97833 | -83.94306 | 1040 | 6348 |
| Hancock | city | Ohio | United States | 41.15528 | -83.85194 | 728 | 2306 |
| Hanersville | city | Ohio | United States | 38.83556 | -82.21528 | 593 | 8415 |
| Hanesville | city | Ohio | United States | 39.03722 | -82.21861 | 800 | 1981 |
| Haney historical | city | Ohio | United States | 41.25556 | -83.76611 | 695 | 2391 |
| Hanford | city | Ohio | United States | 39.95139 | -82.94806 | 731 | 172207 |
| Hanging Rock | city | Ohio | United States | 38.56 | -82.72111 | 495 | 22251 |
| Hanley Village | city | Ohio | United States | 40.69583 | -82.54167 | 1410 | 21625 |
| Hannibal | city | Ohio | United States | 39.66722 | -80.87222 | 800 | 4875 |
| Hanover | city | Ohio | United States | 40.07972 | -82.26111 | 895 | 5410 |
| Hanover | city | Ohio | United States | 40.36611 | -81.06917 | 1164 | 1992 |
| Hanover historical | city | Ohio | United States | 39.42833 | -84.64639 | 800 | 20416 |
| Hanoverton | city | Ohio | United States | 40.75111 | -80.93722 | 1197 | 3835 |
| Hanville Corners | city | Ohio | United States | 41.11917 | -82.6125 | 898 | 2374 |
| Happy Corners | city | Ohio | United States | 39.84722 | -84.31167 | 898 | 44279 |
| Happy Homes | city | Ohio | United States | 39.99583 | -82.62222 | 997 | 7690 |
| Happy Hours Addition | city | Ohio | United States | 38.76889 | -82.86917 | 570 | 12549 |
| Happy Valley Mobile Home Park | city | Ohio | United States | 39.97167 | -83.83694 | 938 | 29309 |
| Har-Win Acres | city | Ohio | United States | 39.96028 | -82.53194 | 898 | 10676 |
| Harbor | city | Ohio | United States | 41.88778 | -80.81556 | 616 | 24465 |
| Harbor Acres | city | Ohio | United States | 41.54806 | -82.83194 | 580 | 5343 |
| Harbor Hills | city | Ohio | United States | 39.93667 | -82.43528 | 898 | 6738 |
| Harbor Point | city | Ohio | United States | 40.54 | -84.53944 | 875 | 8562 |
| Harbor View | city | Ohio | United States | 41.69333 | -83.44444 | 574 | 26820 |
| Hard | city | Ohio | United States | 40.66556 | -81.9525 | 895 | 3832 |
| Hardin | city | Ohio | United States | 40.28639 | -84.24222 | 958 | 7922 |
| Hardscrabble | city | Ohio | United States | 41.26028 | -81.92778 | 836 | 9922 |
| Hardscrabble | city | Ohio | United States | 40.275 | -81.82639 | 944 | 12669 |
| Hardscrabble | city | Ohio | United States | 41.25917 | -80.86833 | 898 | 43884 |
| Hardscrabble historical | city | Ohio | United States | 40.74556 | -81.31611 | 1095 | 12344 |
| Harewood Acres | city | Ohio | United States | 39.19556 | -84.38528 | 731 | 132190 |
| Harlan Park | city | Ohio | United States | 39.52778 | -84.3875 | 741 | 61373 |
| Harlem | city | Ohio | United States | 40.15167 | -82.83944 | 997 | 22989 |
| Harlem Springs | city | Ohio | United States | 40.52083 | -81.00333 | 1167 | 1995 |
| Harley | city | Ohio | United States | 39.85306 | -82.68806 | 826 | 10397 |
| Harmar | city | Ohio | United States | 39.41028 | -81.46167 | 606 | 20690 |
| Harmon | city | Ohio | United States | 40.70944 | -81.55972 | 1043 | 14526 |
| Harmons Landing | city | Ohio | United States | 40.51167 | -84.44278 | 885 | 12448 |
| Harmony | city | Ohio | United States | 39.92278 | -83.69722 | 1072 | 6099 |
| Harmony Estates Mobile Home Park | city | Ohio | United States | 39.9275 | -83.67 | 1099 | 6099 |
| Harper | city | Ohio | United States | 40.42889 | -83.70833 | 1315 | 2521 |
| Harper | city | Ohio | United States | 39.36472 | -83.26167 | 994 | 1524 |
| Harpersfield | city | Ohio | United States | 41.75944 | -80.94694 | 751 | 9791 |
| Harpster | city | Ohio | United States | 40.73917 | -83.25389 | 898 | 1877 |
| Harries | city | Ohio | United States | 39.77806 | -84.13889 | 895 | 146520 |
| Harriett | city | Ohio | United States | 39.12083 | -83.48889 | 974 | 1557 |
| Harriettsville | city | Ohio | United States | 39.63139 | -81.33778 | 800 | 930 |
| Harris | city | Ohio | United States | 39.21556 | -83.14111 | 1000 | 2836 |
| Harrisburg | city | Ohio | United States | 39.80944 | -83.17111 | 800 | 10840 |
| Harrisburg | city | Ohio | United States | 38.89944 | -82.34528 | 698 | 2824 |
| Harrisburg | city | Ohio | United States | 40.89333 | -81.2275 | 1256 | 9585 |
| Harrison | city | Ohio | United States | 39.26194 | -84.82 | 600 | 10171 |
| Harrison Furnace | city | Ohio | United States | 38.82972 | -82.8825 | 793 | 10042 |
| Harrison Mills | city | Ohio | United States | 38.83194 | -82.80806 | 564 | 4606 |
| Harrisonville | city | Ohio | United States | 39.12639 | -82.13389 | 797 | 1763 |
| Harrisport historical | city | Ohio | United States | 41.18139 | -81.01 | 918 | 9733 |
| Harrisville | city | Ohio | United States | 40.18139 | -80.88778 | 1197 | 2981 |
| Harrod | city | Ohio | United States | 40.70639 | -83.92139 | 990 | 3261 |
| Harshasville | city | Ohio | United States | 38.90806 | -83.54444 | 800 | 1787 |
| Harter Heights subdivision | city | Ohio | United States | 40.80028 | -81.41806 | 1105 | 100643 |
| Hartford | city | Ohio | United States | 41.31139 | -80.56861 | 1174 | 5579 |
| Hartford historical | city | Ohio | United States | 40.73611 | -84.31472 | 803 | 3709 |
| Hartland | city | Ohio | United States | 41.17528 | -82.49083 | 931 | 2898 |
| Hartland Station | city | Ohio | United States | 41.21056 | -82.49167 | 928 | 3208 |
| Hartleyville | city | Ohio | United States | 39.54389 | -82.10333 | 770 | 3768 |
| Hartsburg | city | Ohio | United States | 41.0925 | -84.32444 | 705 | 2002 |
| Hartsgrove | city | Ohio | United States | 41.605 | -80.95361 | 997 | 2828 |
| Hartshorn | city | Ohio | United States | 39.70667 | -81.21917 | 997 | 981 |
| Hartville | city | Ohio | United States | 40.96361 | -81.33139 | 1181 | 14030 |
| Hartwell | city | Ohio | United States | 39.21333 | -84.46861 | 583 | 132150 |
| Hartwood | city | Ohio | United States | 40.27861 | -81.48417 | 997 | 1575 |
| Harveysburg | city | Ohio | United States | 39.50361 | -84.01056 | 935 | 4030 |
| Harwood | city | Ohio | United States | 39.13111 | -83.84611 | 938 | 2735 |
| Haselton | city | Ohio | United States | 41.08361 | -80.61806 | 843 | 84716 |
| Haskins | city | Ohio | United States | 41.46472 | -83.70611 | 662 | 9063 |
| Hassan historical | city | Ohio | United States | 40.84556 | -83.76611 | 898 | 1775 |
| Hastings | city | Ohio | United States | 40.65528 | -82.44444 | 1295 | 4308 |
| Hatch | city | Ohio | United States | 39.00889 | -83.17639 | 997 | 1602 |
| Hatfield | city | Ohio | United States | 39.57778 | -82.0675 | 800 | 2942 |
| Hatton | city | Ohio | United States | 41.25083 | -83.46861 | 721 | 4798 |
| Hattonia historical | city | Ohio | United States | 40.28611 | -81.12639 | 1062 | 1030 |
| Havana | city | Ohio | United States | 41.13722 | -82.74722 | 833 | 2128 |
| Haven Park | city | Ohio | United States | 41.64083 | -83.71167 | 646 | 48132 |
| Haven View | city | Ohio | United States | 40.0075 | -84.05806 | 990 | 3931 |
| Havens | city | Ohio | United States | 41.30583 | -83.19278 | 675 | 8821 |
| Havens Corners | city | Ohio | United States | 40.01889 | -82.81556 | 954 | 37664 |
| Havensport | city | Ohio | United States | 39.81 | -82.67306 | 856 | 8206 |
| Haverhill | city | Ohio | United States | 38.58472 | -82.83222 | 495 | 4154 |
| Haviland | city | Ohio | United States | 41.01889 | -84.58083 | 721 | 1644 |
| Hawk Subdivision | city | Ohio | United States | 38.82528 | -82.245 | 770 | 9578 |
| Hawks | city | Ohio | United States | 39.11139 | -82.38722 | 698 | 1137 |
| Hayden | city | Ohio | United States | 40.05889 | -83.19694 | 925 | 18497 |
| Haydenville | city | Ohio | United States | 39.48194 | -82.32833 | 787 | 3299 |
| Hayes Colony subdivision | city | Ohio | United States | 40.31861 | -83.08583 | 898 | 24210 |
| Hayes Corners | city | Ohio | United States | 41.45889 | -81.02278 | 1200 | 6588 |
| Hayes Place subdivision | city | Ohio | United States | 41.61222 | -83.48111 | 616 | 50037 |
| Hayesville | city | Ohio | United States | 39.53694 | -82.93278 | 705 | 3744 |
| Hayesville | city | Ohio | United States | 40.77306 | -82.2625 | 1164 | 4404 |
| Haynes | city | Ohio | United States | 39.43472 | -82.67917 | 754 | 1943 |
| Haynesville historical | city | Ohio | United States | 40.48167 | -83.43417 | 997 | 1755 |
| Hays Corner | city | Ohio | United States | 39.79667 | -84.36694 | 908 | 20730 |
| Haysville historical | city | Ohio | United States | 40.61556 | -80.80694 | 898 | 2410 |
| Hayward | city | Ohio | United States | 39.5725 | -81.67278 | 800 | 1685 |
| Hazael | city | Ohio | United States | 39.04889 | -81.805 | 636 | 1757 |
| Hazelton | city | Ohio | United States | 40.49528 | -81.23056 | 1099 | 2633 |
| Hazelwood | city | Ohio | United States | 39.26611 | -84.36306 | 793 | 69905 |