Clearfield may refer to:

Places

; in Australia * Clearfield, New South Wales ; in United States of America *

Clearfield, Iowa Clearfield is a city in Taylor and Ringgold counties in the U.S. state of Iowa. The population was 278 at the time of the 2020 census. History Clearfield was platted in 1881 when the Humeston and Shenandoah Railroad was being built through ...

* Clearfield, Pennsylvania * Clearfield, South Dakota * Clearfield, Utah ** Clearfield (UTA station), Utah Transit Authority commuter rail station * Clearfield, Wisconsin * Clearfield County, Pennsylvania * Clearfield Township, Griggs County, North Dakota *

Clearfield Township, Butler County, Pennsylvania Clearfield Township is a township in Butler County, Pennsylvania, United States. The population was 2,430 at the 2020 census. Geography Clearfield Township is located in eastern Butler County, along the Armstrong County border. It contains the ...

* Clearfield Township, Cambria County, Pennsylvania

Other uses

* Clearfield Production Systems, a herbicide system marketed by BASF involving imidazolinone herbicides such as imazaquin * Clearfield Doctrine, a legal principle derived from the US Supreme Court decision in ''

Clearfield Trust Co. v. United States ''Clearfield Trust Co. v. United States'', 318 U.S. 363 (1943), was a case in which the Supreme Court of the United States held that federal negotiable instruments were governed by federal law, and thus the federal court had the authority to fash ...

'' (1943) {{disambiguation, geo