Yampa Valley Regional Airport (IATA: HDN, ICAO: KHDN, FAA LID: HDN) is in Routt County, Colorado, United States, serving the communities of Steamboat Springs, Hayden, and Craig, Colorado. The airport is two miles southeast of Hayden, about 20 miles east of Craig and about 25 miles (40 km) west of Steamboat Springs. It has the only scheduled passenger flights in northwest Colorado. It is also used by larger business jets that cannot use the smaller Steamboat Springs Airport (Bob Adams Field).

The National Plan of Integrated Airport Systems for 2021–2025 called it a primary commercial service airport (more than 10,000 enplanements per year). Federal Aviation Administration records say it had 87,902 passenger boardings (enplanements) in calendar year 2019, 106,007 in 2020 and 150,142 in 2021.