Chippewa Valley Regional Airport (IATA: EAU, ICAO: KEAU, FAA LID: EAU) is a public use airport in Chippewa County, Wisconsin, United States. The airport is owned by Eau Claire county and is located 3 nautical miles (5.6 km; 3.5 mi) north of the central business district of the city of Eau Claire, Wisconsin.

It is the largest airport in the 30-county northern Wisconsin area and serves primarily the Chippewa Valley region, operating on a budget approved by a commission equally representing the interests of Chippewa, Dunn and Eau Claire counties.

The airport is mainly used for general aviation and business travel; the Eau Claire-based Menards corporation uses CVRA to base their fleet of aircraft to serve their stores throughout the Midwest. It is occasionally used as an alternative landing site for flights bound for Minneapolis-Saint Paul International Airport. As of December 2022, only one commercial airline, Sun Country Airlines, provides service for CVRA to Minneapolis International.

The airport is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2023–2027, in which it is categorized as a non-hub primary commercial service facility. It is the seventh busiest of eight commercial airports in Wisconsin in terms of passengers served.