M
- Macedonia Township, Pottawattamie County
- Madison Township, Buchanan County
- Madison Township, Butler County
- Madison Township, Clarke County
- Madison Township, Fremont County
- Madison Township, Hancock County
- Madison Township, Johnson County
- Madison Township, Jones County
- Madison Township, Lee County
- Madison Township, Madison County
- Madison Township, Mahaska County
- Madison Township, Polk County
- Madison Township, Poweshiek County
- Madison Township, Winneshiek County
- Magnolia Township, Harrison County
- Magor Township, Hancock County
- Maine Township, Linn County
- Makee Township, Allamakee County
- Malaka Township, Jasper County
- Malcom Township, Poweshiek County
- Mallory Township, Clayton County
- Mantua Township, Monroe County
- Maple Township, Ida County
- Maple Township, Monona County
- Maple River Township, Carroll County
- Maple Valley Township, Buena Vista County
- Maquoketa Township, Jackson County
- Marcus Township, Cherokee County
- Marcy Township, Boone County
- Marengo Township, Iowa County
- Marietta Township, Marshall County
- Marion Township, Clayton County
- Marion Township, Davis County
- Marion Township, Franklin County
- Marion Township, Hamilton County
- Marion Township, Henry County
- Marion Township, Lee County
- Marion Township, Linn County
- Marion Township, Marshall County
- Marion Township, Plymouth County
- Marion Township, Washington County
- Mariposa Township, Jasper County
- Marshall Township, Louisa County
- Marshall Township, Marshall County
- Marshall Township, Pocahontas County
- Marshall Township, Taylor County
- Mason Township, Cerro Gordo County
- Mason Township, Taylor County
- Massena Township, Cass County
- Massillon Township, Cedar County
- Maxfield Township, Bremer County
- Meadow Township, Clay County
- Meadow Township, Plymouth County
- Melrose Township, Grundy County
- Melville Township, Audubon County
- Mendon Township, Clayton County
- Mercer Township, Adams County
- Middle Fork Township, Ringgold County
- Middlefield Township, Buchanan County
- Midland Township, Lyon County
- Milford Township, Crawford County
- Milford Township, Dickinson County
- Milford Township, Story County
- Military Township, Winneshiek County
- Miller Township, Woodbury County
- Millville Township, Clayton County
- Milo Township, Delaware County
- Minden Township, Pottawattamie County
- Minerva Township, Marshall County
- Mitchell Township, Mitchell County
- Monmouth Township, Jackson County
- Monona Township, Clayton County
- Monroe Township, Benton County
- Monroe Township, Butler County
- Monroe Township, Fremont County
- Monroe Township, Johnson County
- Monroe Township, Linn County
- Monroe Township, Madison County
- Monroe Township, Mahaska County
- Monroe Township, Monroe County
- Monroe Township, Ringgold County
- Monroe Township, Shelby County
- Monroe Township, Wayne County
- Montpelier Township, Muscatine County
- Montrose Township, Lee County
- Morgan Township, Crawford County
- Morgan Township, Decatur County
- Morgan Township, Franklin County
- Morgan Township, Harrison County
- Morgan Township, Woodbury County
- Morning Sun Township, Louisa County
- Morton Township, Page County
- Mosalem Township, Dubuque County
- Moscow Township, Muscatine County
- Mott Township, Franklin County
- Mound Prairie Township, Jasper County
- Mount Valley Township, Winnebago County
- Mount Vernon Township, Black Hawk County
- Mount Vernon Township, Cerro Gordo County
- Moville Township, Woodbury County
- Muscatine Township, Muscatine County
Read more about this topic: List Of Iowa Townships