Ohio cities starting with H
- Hamilton, OH 109
- Hamler, OH 5
- Hanoverton, OH 7
- Harrison, OH 24
- Harrod, OH 7
- Hartville, OH 13
- Heath, OH 13
- Hebron, OH 6
- Hicksville, OH 14
- Highland Heights, OH 5
- Hilliard, OH 33
- Hillsboro, OH 54
- Hinckley, OH 5
- Holgate, OH 6
- Holland, OH 10
- Hopedale, OH 5
- Howard, OH 9
- Hubbard, OH 13
- Huber Heights, OH 32
- Hudson, OH 29
- Huron, OH 9