Harrison Township, Ohio, may refer to:
Harrison Township, Carroll County, Ohio Harrison Township, Champaign County, Ohio Harrison Township, Darke County, Ohio Harrison Township, Gallia County, Ohio Harrison Township, Hamilton County, Ohio Harrison Township, Henry County, Ohio Harrison Township, Knox County, Ohio Harrison Township, Licking County, Ohio Harrison Township, Logan County, Ohio Harrison Township, Montgomery County, Ohio Harrison Township, Muskingum County, Ohio Harrison Township, Paulding County, Ohio Harrison Township, Perry County, Ohio Harrison Township, Pickaway County, Ohio Harrison Township, Preble County, Ohio Harrison Township, Ross County, Ohio Harrison Township, Scioto County, Ohio Harrison Township, Van Wert County, Ohio Harrison Township, Vinton County, Ohio