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- Macedonia Township, Summit County, Ohio (defunct)
- Mad River Township, Champaign County, Ohio
- Mad River Township, Clark County, Ohio
- Mad River Township, Montgomery County, Ohio (defunct)
- Madison Township, Butler County, Ohio
- Madison Township, Clark County, Ohio
- Madison Township, Columbiana County, Ohio
- Madison Township, Fairfield County, Ohio
- Madison Township, Fayette County, Ohio
- Madison Township, Franklin County, Ohio
- Madison Township, Guernsey County, Ohio
- Madison Township, Hancock County, Ohio
- Madison Township, Highland County, Ohio
- Madison Township, Jackson County, Ohio
- Madison Township, Lake County, Ohio
- Madison Township, Licking County, Ohio
- Madison Township, Montgomery County, Ohio (defunct)
- Madison Township, Muskingum County, Ohio
- Madison Township, Perry County, Ohio
- Madison Township, Pickaway County, Ohio
- Madison Township, Richland County, Ohio
- Madison Township, Sandusky County, Ohio
- Madison Township, Scioto County, Ohio
- Madison Township, Vinton County, Ohio
- Madison Township, Williams County, Ohio
- Malaga Township, Monroe County, Ohio
- Malta Township, Morgan County, Ohio
- Manchester Township, Adams County, Ohio
- Manchester Township, Morgan County, Ohio
- Mantua Township, Portage County, Ohio
- Margaretta Township, Erie County, Ohio
- Marietta Township, Washington County, Ohio
- Marion Township, Allen County, Ohio
- Marion Township, Clinton County, Ohio
- Marion Township, Fayette County, Ohio
- Marion Township, Franklin County, Ohio (defunct)
- Marion Township, Hancock County, Ohio
- Marion Township, Hardin County, Ohio
- Marion Township, Henry County, Ohio
- Marion Township, Hocking County, Ohio
- Marion Township, Marion County, Ohio
- Marion Township, Mercer County, Ohio
- Marion Township, Morgan County, Ohio
- Marion Township, Noble County, Ohio
- Marion Township, Pike County, Ohio
- Mark Township, Defiance County, Ohio
- Marlboro Township, Delaware County, Ohio
- Marlboro Township, Stark County, Ohio
- Marseilles Township, Wyandot County, Ohio
- Marshall Township, Highland County, Ohio
- Mary Ann Township, Licking County, Ohio
- Mason Township, Lawrence County, Ohio
- Massie Township, Warren County, Ohio
- Mayfield Township, Cuyahoga County, Ohio (defunct)
- McArthur Township, Logan County, Ohio
- McDonald Township, Hardin County, Ohio
- McKean Township, Licking County, Ohio
- McLean Township, Shelby County, Ohio
- Mead Township, Belmont County, Ohio
- Mecca Township, Trumbull County, Ohio
- Mechanic Township, Holmes County, Ohio
- Medina Township, Medina County, Ohio
- Meigs Township, Adams County, Ohio
- Meigs Township, Muskingum County, Ohio
- Meigsville Township, Morgan County, Ohio
- Mentor Township, Lake County, Ohio (defunct)
- Mesopotamia Township, Trumbull County, Ohio
- Miami Township, Clermont County, Ohio
- Miami Township, Greene County, Ohio
- Miami Township, Hamilton County, Ohio
- Miami Township, Logan County, Ohio
- Miami Township, Montgomery County, Ohio
- Middleburg Township, Cuyahoga County, Ohio (defunct)
- Middlebury Township, Knox County, Ohio
- Middlefield Township, Geauga County, Ohio
- Middleton Township, Columbiana County, Ohio
- Middleton Township, Wood County, Ohio
- Mifflin Township, Ashland County, Ohio
- Mifflin Township, Franklin County, Ohio
- Mifflin Township, Pike County, Ohio
- Mifflin Township, Richland County, Ohio
- Mifflin Township, Wyandot County, Ohio
- Milan Township, Erie County, Ohio
- Milford Township, Butler County, Ohio
- Milford Township, Defiance County, Ohio
- Milford Township, Knox County, Ohio
- Mill Creek Township, Coshocton County, Ohio
- Mill Creek Township, Hamilton County, Ohio (defunct)
- Mill Creek Township, Williams County, Ohio
- Mill Township, Tuscarawas County, Ohio
- Millcreek Township, Union County, Ohio
- Miller Township, Knox County, Ohio
- Millwood Township, Guernsey County, Ohio
- Milton Township, Ashland County, Ohio
- Milton Township, Jackson County, Ohio
- Milton Township, Mahoning County, Ohio
- Milton Township, Wayne County, Ohio
- Milton Township, Wood County, Ohio
- Mississinawa Township, Darke County, Ohio
- Mohican Township, Ashland County, Ohio
- Monclova Township, Lucas County, Ohio
- Monday Creek Township, Perry County, Ohio
- Monroe Township, Adams County, Ohio
- Monroe Township, Allen County, Ohio
- Monroe Township, Ashtabula County, Ohio
- Monroe Township, Carroll County, Ohio
- Monroe Township, Clermont County, Ohio
- Monroe Township, Coshocton County, Ohio
- Monroe Township, Darke County, Ohio
- Monroe Township, Guernsey County, Ohio
- Monroe Township, Harrison County, Ohio
- Monroe Township, Henry County, Ohio
- Monroe Township, Holmes County, Ohio
- Monroe Township, Knox County, Ohio
- Monroe Township, Licking County, Ohio
- Monroe Township, Logan County, Ohio
- Monroe Township, Madison County, Ohio
- Monroe Township, Miami County, Ohio
- Monroe Township, Muskingum County, Ohio
- Monroe Township, Perry County, Ohio
- Monroe Township, Pickaway County, Ohio
- Monroe Township, Preble County, Ohio
- Monroe Township, Putnam County, Ohio
- Monroe Township, Richland County, Ohio
- Monterey Township, Putnam County, Ohio
- Montgomery Township, Ashland County, Ohio
- Montgomery Township, Marion County, Ohio
- Montgomery Township, Wood County, Ohio
- Montville Township, Geauga County, Ohio
- Montville Township, Medina County, Ohio
- Moorefield Township, Clark County, Ohio
- Moorefield Township, Harrison County, Ohio
- Morgan Township, Ashtabula County, Ohio
- Morgan Township, Butler County, Ohio
- Morgan Township, Gallia County, Ohio
- Morgan Township, Knox County, Ohio
- Morgan Township, Morgan County, Ohio
- Morgan Township, Scioto County, Ohio
- Morris Township, Knox County, Ohio
- Moulton Township, Auglaize County, Ohio
- Mount Pleasant Township, Jefferson County, Ohio
- Muhlenberg Township, Pickaway County, Ohio
- Munson Township, Geauga County, Ohio
- Muskingum Township, Muskingum County, Ohio
- Muskingum Township, Washington County, Ohio
Read more about this topic: List Of Townships In Ohio