John Paul Hammerschmidt was an American politician from the state of Arkansas. A Republican, Hammerschmidt served thirteen terms in the United States House of Representatives for Arkansas's 3rd congressional district, located in the northwestern quadrant of the state. He served from 1967 until his retirement in 1993.

Arkansas's 3rd congressional district is a congressional district in the U.S. state of Arkansas. The district covers Northwest Arkansas and takes in Fort Smith, Fayetteville, Springdale, and Bentonville.