Ohio Cities
- Hackney, OH
- Hagan Addition, OH
- Hageman, OH
- Hagler, OH
- Hales Creek, OH
- Hallett, OH
- Hallock, OH
- Hallsville, OH
- Hambden, OH
- Hamburg, OH
- Hamden, OH
- Hamer, OH
- Hamersville, OH
- Hamilton, OH
- Hamilton Meadows, OH
- Hamler, OH
- Hamlet, OH
- Hamley Run, OH
- Hammansburg, OH
- Hammond Crossroad, OH
- Hammondsville, OH
- Hancock, OH
- Hanersville, OH
- Hanesville, OH
- Hanging Rock, OH
- Hanley Village, OH
- Hannibal, OH
- Hanover, OH
- Hanoverton, OH
- Happy Hours Addition, OH
- Harbor Hills, OH
- Harbor View, OH
- Hard, OH
- Hardin, OH
- Hardin Station, OH
- Hardscrabble, OH
- Harewood Acres, OH
- Harlem, OH
- Harlem Springs, OH
- Harley, OH
- Harmon, OH
- Harmony, OH
- Harper, OH
- Harpersfield, OH
- Harpster, OH
- Harries, OH
- Harriett, OH
- Harriettsville, OH
- Harris, OH
- Harrisburg, OH
- Harrison, OH
- Harrison Furnace, OH
- Harrison Mills, OH
- Harrisonville, OH
- Harrisville, OH
- Harrod, OH
- Harshasville, OH
- Hartford, OH
- Hartland, OH
- Hartland Station, OH
- Hartleyville, OH
- Hartsburg, OH
- Hartsgrove, OH
- Hartshorn, OH
- Hartville, OH
- Harveysburg, OH
- Harwood, OH
- Haskins, OH
- Hastings, OH
- Hatch, OH
- Hatton, OH
- Havana, OH
- Haven Park, OH
- Haven View, OH
- Havens, OH
- Havensport, OH
- Haverhill, OH
- Haviland, OH
- Hawks, OH
- Hayden, OH
- Haydenville, OH
- Hayesville, OH
- Haynes, OH
- Hayward, OH
- Hazael, OH
- Heath, OH
- Hebardville, OH
- Hebron, OH
- Hecla, OH
- Hector, OH
- Hedges, OH
- Hegemanns Landing, OH
- Heidelberg Beach, OH
- Helena, OH
- Helmick, OH
- Hemlock, OH
- Hemlock Grove, OH
- Hendrysburg, OH
- Henley, OH
- Hennings Mill, OH
- Henrietta, OH
- Hepburn, OH
- Herefork, OH
- Herlan, OH
- Hermanville, OH
- Herrick, OH
- Heslop, OH
- Hessville, OH
- Hewitt, OH
- Hibbetts, OH
- Hickman, OH
- Hickory Grove, OH
- Hickoryville, OH
- Hicks, OH
- Hicksville, OH
- Hidden Lakes, OH
- Hide-A-Way Hills, OH
- Hiett, OH
- Higby, OH
- Higginsport, OH
- High Hill, OH
- Highland, OH
- Highland Bend, OH
- Highland Heights, OH
- Highland Hills, OH
- Highland Holiday, OH
- Highland Park, OH
- Highland Station, OH
- Highland Terrace, OH
- Highlandtown, OH
- Highpoint, OH
- Highwater, OH
- Hill Craft Acres, OH
- Hill Grove, OH
- Hillcrest, OH
- Hilliard, OH
- Hills, OH
- Hills and Dales, OH
- Hillsboro, OH
- Hilltop, OH
- Hinckley, OH
- Hinton, OH
- Hiram, OH
- Hiram Rapids, OH
- Hiramsburg, OH
- Hitchcock, OH
- Hoadley, OH
- Hoagland, OH
- Hoaglin, OH
- Hobson, OH
- Hocking, OH
- Hockingport, OH
- Hohman, OH
- Holden, OH
- Holgate, OH
- Holiday Acres, OH
- Holiday City, OH
- Holiday Lakes, OH
- Holiday Valley, OH
- Holland, OH
- Hollansburg, OH
- Hollister, OH
- Holloway, OH
- Hollowtown, OH
- Hollywood Estates, OH
- Holmesville, OH
- Holt, OH
- Homer, OH
- Homerville, OH
- Homeside, OH
- Homewood, OH
- Homeworth, OH
- Honesty, OH
- Honeytown, OH
- Hooker, OH
- Hooksburg, OH
- Hooven, OH
- Hope, OH
- Hopedale, OH
- Hopetown, OH
- Hopewell, OH
- Hopkinsville, OH
- Horatio, OH
- Horner Hill, OH
- Horns Mill, OH
- Horton, OH
- Hoskinsville, OH
- Houcktown, OH
- Houston, OH
- Howard, OH
- Howard Farms Beach, OH
- Howenstine, OH
- Howland Center, OH
- Hoytville, OH
- Hubbard, OH
- Huber Heights, OH
- Huber Ridge, OH
- Hudson, OH
- Hue, OH
- Hughes, OH
- Hulington, OH
- Hull, OH
- Hull Prairie, OH
- Humboldt, OH
- Hume, OH
- Hunt, OH
- Huntcrest Acres, OH
- Hunter, OH
- Hunterdon, OH
- Huntersville, OH
- Hunting Valley, OH
- Huntington, OH
- Huntsburg, OH
- Huntsville, OH
- Hurford, OH
- Huron, OH
- Hustead, OH
- Hyatts, OH
