Tinglev () is a town with a population of 2,799 (1 January 2025) in Aabenraa Municipality in Region of Southern Denmark on the Jutland peninsula in south Denmark. Tinglev is a base for German minority institutions in Southern Jutland, the minority Schleswig Party receiving 14.8% of the town's vote in the municipal elections of 2025.
From 1866 until 1920, Tinglev was part of the Prussian Province of Schleswig-Holstein and formed a part of Imperial Germany. Notable figures born there include Hjalmar Schacht, a liberal economist who introduced a wide variety of schemes in Germany before and during The Third Reich to tackle the effects that the Great Depression had on that country, and was a key player in Nazi Germany's economic steps towards re-armament.
Until 1 January 2007, Tinglev was also a municipality (Danish: kommune) in the former South Jutland County. The city covered an area of , with a total population of 10,148 (2005). Its last mayor was Susanne Beier, a member of the Venstre (Liberal Party) political party. The municipality was created in 1970 due to a ("Municipality Reform") that combined several existing parishes:
Tinglev municipality ceased to exist due to the Kommunalreformen ("The Municipality Reform" of 2007). It was merged with Bov, Lundtoft, Rødekro, and Aabenraa municipalities to form the new Aabenraa Municipality. This created a municipality with an area of and a total population of 60,151 (2005).
The adventure role-playing game ', developed by Copenhagen-based games studio PortaPlay and published in 2022 by Don't Nod, is set entirely in Tinglev and the surrounding countryside. The game's story was inspired by the life of director Hans Von Knut Skovfoged's half-German, half-Danish grandmother who contributed to the Resistance against the Nazis.