California Redwood Coast – Humboldt County Airport (IATA: ACV, ICAO: KACV, FAA LID: ACV), also known as Arcata–Eureka Airport and Arcata Airport, is in Humboldt County, California, United States, 8 miles (13 km) north of Arcata and 15 miles (24 km) north of Eureka, in McKinleyville.

The National Plan of Integrated Airport Systems for 2011–2015 categorized it as a Nonhub primary commercial service airport. The airport is a federally designated port of entry for civil aircraft arriving in the United States. The airport is the site of the command center for and primary facilities of the United States Coast Guard Air Station Humboldt Bay, which provides rescue and law enforcement for the region north of the San Francisco Bay Area.