Clark Township may refer to:

Arkansas

• Clark Township, Clay County, Arkansas, in Clay County, Arkansas
• Clark Township, Greene County, Arkansas, in Greene County, Arkansas
• Clark Township, Logan County, Arkansas, in Logan County, Arkansas
• Clark Township, Pike County, Arkansas, in Pike County, Arkansas
• Clark Township, Pope County, Arkansas

Indiana

• Clark Township, Johnson County, Indiana
• Clark Township, Montgomery County, Indiana
• Clark Township, Perry County, Indiana

Iowa

• Clark Township, Tama County, Iowa

Kansas

• Clark Township, Marion County, Kansas

Michigan

• Clark Township, Michigan

Minnesota

• Clark Township, Aitkin County, Minnesota
• Clark Township, Faribault County, Minnesota

Missouri

• Clark Township, Atchison County, Missouri
• Clark Township, Chariton County, Missouri
• Clark Township, Cole County, Missouri
• Clark Township, Lincoln County, Missouri

Nebraska

• Clark Township, Dixon County, Nebraska

New Jersey

• Clark Township, New Jersey

North Dakota

• Clark Township, Hettinger County, North Dakota, in Hettinger County, North Dakota

Ohio

• Clark Township, Brown County, Ohio
• Clark Township, Clinton County, Ohio
• Clark Township, Coshocton County, Ohio
• Clark Township, Holmes County, Ohio

South Dakota

• Clark Township, Douglas County, South Dakota, in Douglas County, South Dakota
• Clark Township, Faulk County, South Dakota, in Faulk County, South Dakota
• Clark Township, Perkins County, South Dakota