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- Nassau Township, Sioux County
- Nebraska Township, Page County
- Neola Township, Pottawattamie County
- Nevada Township, Palo Alto County
- Nevada Township, Story County
- New Albany Township, Story County
- New Buda Township, Decatur County
- New Hampton Township, Chickasaw County
- New Hope Township, Union County
- New London Township, Henry County
- New Oregon Township, Howard County
- New Wine Township, Dubuque County
- Newark Township, Webster County
- Newburg Township, Mitchell County
- Newell Township, Buena Vista County
- Newport Township, Johnson County
- Newton Township, Buchanan County
- Newton Township, Carroll County
- Newton Township, Jasper County
- Newton Township, Winnebago County
- Niles Township, Floyd County
- Nishnabotny Township, Crawford County
- Noble Township, Cass County
- Nodaway Township, Adams County
- Nodaway Township, Page County
- Nodaway Township, Taylor County
- Nokomis Township, Buena Vista County
- North Fork Township, Delaware County
- Norwalk Township, Pottawattamie County
- Norway Township, Humboldt County
- Norway Township, Winnebago County
- Norway Township, Wright County
Read more about this topic: List Of Iowa Townships