Millcreek Township or Mill Creek Township may refer to:
Arkansas Mill Creek Township, Ashley County, Arkansas, in Ashley County, Arkansas Mill Creek Township, Franklin County, Arkansas, in Franklin County, Arkansas Mill Creek Township, Izard County, Arkansas, in Izard County, Arkansas Mill Creek Township, Lincoln County, Arkansas, in Lincoln County, Arkansas Mill Creek Township, Madison County, Arkansas Mill Creek Township, Polk County, Arkansas, in Polk County, Arkansas Mill Creek Township, Scott County, Arkansas, in Scott County, Arkansas Mill Creek Township, Sevier County, Arkansas, in Sevier County, Arkansas
Indiana Millcreek Township, Fountain County, Indiana
Kansas Mill Creek Township, Bourbon County, Kansas Mill Creek Township, Pottawatomie County, Kansas, in Pottawatomie County, Kansas Mill Creek Township, Wabaunsee County, Kansas, in Wabaunsee County, Kansas Mill Creek Township, Washington County, Kansas, in Washington County, Kansas
Missouri Mill Creek Township, Morgan County, Missouri
Ohio Mill Creek Township, Coshocton County, Ohio Mill Creek Township, Hamilton County, Ohio Mill Creek Township, Union County, Ohio Mill Creek Township, Williams County, Ohio
Pennsylvania Mill Creek Township, Lycoming County, Pennsylvania Mill Creek Township, Mercer County, Pennsylvania Millcreek Township, Clarion County, Pennsylvania Millcreek Township, Erie County, Pennsylvania Millcreek Township, Lebanon County, Pennsylvania
Utah Millcreek Township, Utah