Harmony Township may refer to the following places in the United States:
Harmony Township, Hancock County, Illinois Harmony Township, Posey County, Indiana Harmony Township, Union County, Indiana Harmony Township, Stevens County, Kansas Harmony Township, Fillmore County, Minnesota Harmony Township, Washington County, Missouri Harmony Township, New Jersey Harmony Township, North Dakota Harmony Township, Clark County, Ohio Harmony Township, Morrow County, Ohio Harmony Township, Beaver County, Pennsylvania Harmony Township, Forest County, Pennsylvania Harmony Township, Susquehanna County, Pennsylvania Harmony Township, Edmunds County, South Dakota, in Edmunds County, South Dakota Harmony Township, Jerauld County, South Dakota Harmony Township, Spink County, South Dakota