DeKalb–Peachtree Airport (IATA: PDK, ICAO: KPDK, FAA LID: PDK) is a county-owned, public-use airport in DeKalb County, Georgia, United States. The airport is located in the city of Chamblee, just northeast of Atlanta. It is also known commonly as Peachtree–DeKalb Airport, or simply PDK. Other names (rarely used) include Peachtree Airport, DeKalb Airport, or DeKalb County Airport. ASOS weather reports are produced 24 hours per day as "Chamblee". It has airline service with Ultimate Air Shuttle to Cincinnati and Southern Airways Express to Memphis and Destin.

As per Federal Aviation Administration records, the airport had 1,784 passenger boardings (enplanements) in calendar year 2008, 393 enplanements in 2009, and 463 in 2010. It is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a reliever airport.