Tri-Cities Airport (IATA: TRI, ICAO: KTRI, FAA LID: TRI) (also known as Tri-Cities Airport, TN/VA), is in Blountville, Tennessee, United States. It serves the Tri-Cities area (Johnson City, Tennessee; Kingsport, Tennessee; Bristol, Tennessee-Virginia) of Northeast Tennessee and Southwest Virginia. The airport is governed by the Tri-Cities Airport Authority (TCAA) whose members are appointed by the cities of Johnson City, Kingsport, Bristol (TN), Bristol (VA) and both Washington and Sullivan counties in Tennessee.

Federal Aviation Administration records say the airport had 202,730 passenger boardings (enplanements) in calendar year 2008, 217,783 in 2009 and 202,114 in 2010. The National Plan of Integrated Airport Systems for 2017–2021 categorized it as a primary commercial service airport (more than 10,000 enplanements per year).