- Halbur
- Hamburg
- Hamilton
- Hampton
- Hancock
- Hanlontown
- Hansell
- Harcourt
- Hardy
- Harlan
- Harper
- Harpers Ferry
- Harris
- Hartford
- Hartley
- Hartwick
- Harvey
- Hastings
- Havelock
- Haverhill
- Hawarden
- Hawkeye
- Hayesville
- Hayfield
- Hazleton
- Hedrick
- Henderson
- Hepburn
- Hiawatha
- High Amana
- Hills
- Hillsboro
- Hinton
- Holiday Lake
- Holland
- Holstein
- Holy Cross
- Holy Cross
- Homestead
- Hopkinton
- Hornick
- Hospers
- Houghton
- Hubbard
- Hudson
- Hull
- Humboldt
- Humeston
- Hutchins
- Huxley
