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- Hale Township, Jones County
- Hamilton Township, Decatur County
- Hamilton Township, Franklin County
- Hamilton Township, Hamilton County
- Hamlin Township, Audubon County
- Hampshire Township, Clinton County
- Hancock Township, Plymouth County
- Hanover Township, Allamakee County
- Hanover Township, Crawford County
- Hardin Township, Greene County
- Hardin Township, Hardin County
- Hardin Township, Johnson County
- Hardin Township, Pottawattamie County
- Hardin Township, Webster County
- Harlan Township, Fayette County
- Harlan Township, Page County
- Harrisburg Township, Van Buren County
- Harrison Township, Adair County
- Harrison Township, Benton County
- Harrison Township, Boone County
- Harrison Township, Harrison County
- Harrison Township, Kossuth County
- Harrison Township, Lee County
- Harrison Township, Mahaska County
- Harrison Township, Osceola County
- Hartford Township, Iowa County
- Hartland Township, Worth County
- Hartley Township, O'Brien County
- Hayes Township, Buena Vista County
- Hayes Township, Crawford County
- Hayes Township, Ida County
- Hazel Dell Township, Pottawattamie County
- Hazel Green Township, Delaware County
- Hazleton Township, Buchanan County
- Hebron Township, Kossuth County
- Henry Township, Plymouth County
- Henry Township, Van Buren County
- Herdland Township, Clay County
- Hesper Township, Winneshiek County
- Hickory Grove Township, Jasper County
- Hickory Grove Township, Scott County
- High Lake Township, Emmet County
- High Point Township, Decatur County
- Highland Township, Clayton County
- Highland Township, Greene County
- Highland Township, Guthrie County
- Highland Township, O'Brien County
- Highland Township, Palo Alto County
- Highland Township, Tama County
- Highland Township, Union County
- Highland Township, Wapello County
- Highland Township, Washington County
- Highland Township, Winneshiek County
- Hilton Township, Iowa County
- Holland Township, Sioux County
- Holt Township, Taylor County
- Homer Township, Benton County
- Homer Township, Buchanan County
- Honey Creek Township, Delaware County
- Honey Creek Township, Iowa County
- Horton Township, Osceola County
- Howard Township, Howard County
- Howard Township, Story County
- Howard Township, Tama County
- Howard Township, Wayne County
- Howard Center Township, Howard County
- Humboldt Township, Humboldt County
- Hungerford Township, Plymouth County
- Huron Township, Des Moines County
Read more about this topic: List Of Iowa Townships