Union Township, Ohio

• Union Township, Auglaize County, Ohio
• Union Township, Belmont County, Ohio
• Union Township, Brown County, Ohio
• Union Township, Carroll County, Ohio
• Union Township, Champaign County, Ohio
• Union Township, Clermont County, Ohio
• Union Township, Clinton County, Ohio
• Union Township, Fayette County, Ohio
• Union Township, Hancock County, Ohio
• Union Township, Highland County, Ohio
• Union Township, Knox County, Ohio
• Union Township, Lawrence County, Ohio
• Union Township, Licking County, Ohio
• Union Township, Logan County, Ohio
• Union Township, Madison County, Ohio
• Union Township, Mercer County, Ohio
• Union Township, Miami County, Ohio
• Union Township, Morgan County, Ohio
• Union Township, Muskingum County, Ohio
• Union Township, Ohio (disambiguation)
• Union Township, Pike County, Ohio
• Union Township, Putnam County, Ohio
• Union Township, Ross County, Ohio
• Union Township, Scioto County, Ohio
• Union Township, Tuscarawas County, Ohio
• Union Township, Union County, Ohio
• Union Township, Van Wert County, Ohio
• Union Township, Warren County, Ohio
• West Chester Township, Butler County, Ohio