Towns
| State | City/Town | Town Title |
|---|---|---|
| Ohio | Hiram | Hiram, OH |
| Ohio | Hockingport | Hockingport, OH |
| Ohio | Holgate | Holgate, OH |
| Ohio | Holland | Holland, OH |
| Ohio | Hollansburg | Hollansburg, OH |
| Ohio | Holloway | Holloway, OH |
| Ohio | Holmesville | Holmesville, OH |
| Ohio | Homer | Homer, OH |
| Ohio | Homerville | Homerville, OH |
| Ohio | Homeworth | Homeworth, OH |
| Ohio | Hooven | Hooven, OH |
| Ohio | Hopedale | Hopedale, OH |
| Ohio | Hopewell | Hopewell, OH |
| Ohio | Houston | Houston, OH |
| Ohio | Howard | Howard, OH |
| Ohio | Hoytville | Hoytville, OH |
| Ohio | Hubbard | Hubbard, OH |
| Ohio | Hudson | Hudson, OH |
| Ohio | Huntsburg | Huntsburg, OH |
| Ohio | Huntsville | Huntsville, OH |
| Ohio | Huron | Huron, OH |
| Ohio | Iberia | Iberia, OH |
| Ohio | Independence | Independence, OH |
| Ohio | Irondale | Irondale, OH |
| Ohio | Ironton | Ironton, OH |