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- Hale Township, Hardin County, Ohio
- Hambden Township, Geauga County, Ohio
- Hamer Township, Highland County, Ohio
- Hamilton Township, Franklin County, Ohio
- Hamilton Township, Jackson County, Ohio
- Hamilton Township, Lawrence County, Ohio
- Hamilton Township, Warren County, Ohio
- Hanover Township, Ashland County, Ohio
- Hanover Township, Butler County, Ohio
- Hanover Township, Columbiana County, Ohio
- Hanover Township, Licking County, Ohio
- Harding Township, Lucas County, Ohio
- Hardy Township, Holmes County, Ohio
- Harlan Township, Warren County, Ohio
- Harlem Township, Delaware County, Ohio
- Harmony Township, Clark County, Ohio
- Harmony Township, Morrow County, Ohio
- Harpersfield Township, Ashtabula County, Ohio
- Harris Township, Ottawa County, Ohio
- Harrison Township, Carroll County, Ohio
- Harrison Township, Champaign County, Ohio
- Harrison Township, Darke County, Ohio
- Harrison Township, Gallia County, Ohio
- Harrison Township, Hamilton County, Ohio
- Harrison Township, Henry County, Ohio
- Harrison Township, Knox County, Ohio
- Harrison Township, Licking County, Ohio
- Harrison Township, Logan County, Ohio
- Harrison Township, Montgomery County, Ohio
- Harrison Township, Muskingum County, Ohio
- Harrison Township, Paulding County, Ohio
- Harrison Township, Perry County, Ohio
- Harrison Township, Pickaway County, Ohio
- Harrison Township, Preble County, Ohio
- Harrison Township, Ross County, Ohio
- Harrison Township, Scioto County, Ohio
- Harrison Township, Van Wert County, Ohio
- Harrison Township, Vinton County, Ohio
- Harrisville Township, Medina County, Ohio
- Hartford Township, Licking County, Ohio
- Hartford Township, Trumbull County, Ohio
- Hartland Township, Huron County, Ohio
- Hartsgrove Township, Ashtabula County, Ohio
- Henrietta Township, Lorain County, Ohio
- Henry Township, Wood County, Ohio
- Hicksville Township, Defiance County, Ohio
- Highland Township, Defiance County, Ohio
- Highland Township, Muskingum County, Ohio
- Hilliar Township, Knox County, Ohio
- Hinckley Township, Medina County, Ohio
- Hiram Township, Portage County, Ohio
- Hoaglin Township, Van Wert County, Ohio
- Hocking Township, Fairfield County, Ohio
- Holmes Township, Crawford County, Ohio
- Homer Township, Medina County, Ohio
- Homer Township, Morgan County, Ohio
- Hopewell Township, Licking County, Ohio
- Hopewell Township, Mercer County, Ohio
- Hopewell Township, Muskingum County, Ohio
- Hopewell Township, Perry County, Ohio
- Hopewell Township, Seneca County, Ohio
- Howard Township, Knox County, Ohio
- Howland Township, Trumbull County, Ohio
- Hubbard Township, Trumbull County, Ohio
- Hudson Township, Summit County, Ohio (defunct)
- Huntington Township, Brown County, Ohio
- Huntington Township, Gallia County, Ohio
- Huntington Township, Lorain County, Ohio
- Huntington Township, Ross County, Ohio
- Huntsburg Township, Geauga County, Ohio
- Huron Township, Erie County, Ohio
Read more about this topic: List Of Townships In Ohio