Trollhättan-Vänersborg Airport (IATA: THN, ICAO: ESGT) also known as Trollhättan Airport is a regional airport located in Västra Götaland County, Sweden. It is located 5 kilometres (3.1 mi) northeast of central Trollhättan and 8 kilometres (5.0 mi) southeast of Vänersborg.

The airport's municipal owner, Fyrstads Flygplats AB, has branded the airport as Göteborg Stallbacka Airport since 2024, reflecting its proximity to Gothenburg, which is approximately 80 kilometers (50 miles) to the southwest. The airport opened in 1937 and is colloquially known as Malöga Airport.