Cottonwood Township may refer to:
Cottonwood Township, Cumberland County, Illinois Cottonwood Township, Chase County, Kansas Cottonwood Township, Brown County, Minnesota Cottonwood Township, Adams County, Nebraska Cottonwood Township, Nance County, Nebraska Cottonwood Township, Phelps County, Nebraska Cottonwood Township, Mountrail County, North Dakota, in Mountrail County, North Dakota