Highfill is a town in Benton County, Arkansas, United States. The population was 1,587 as of the 2020 census. It is home to the Northwest Arkansas National Airport, which serves all of the Northwest Arkansas region. In September 2023, officials of the airport voted to detach itself from the city over taxing and public service disputes.

Benton County is a county within the Northwest Arkansas region with a culture, economy, and history that have transitioned from rural and agricultural to suburban and white collar since the growth of Walmart, which is headquartered in Benton County. Created as Arkansas's 35th county on September 30, 1836, Benton County contains thirteen incorporated municipalities, including Bentonville, the county seat, and Rogers, the most populous city. The county was named after Thomas Hart Benton, a U.S. Senator from Missouri influential in Arkansas statehood.