Bad Salzungen (German: [baːt ˈzalt͡sʊŋən] ⓘ) is a town in Thuringia, Germany.

In July 2018 the former municipalities of Ettenhausen an der Suhl, Frauensee and Tiefenort were merged into Bad Salzungen.

In total the municipality consists of the central town (Kernstadt) and 21 sections (Ortsteile).

Bad Salzungen borders on the following municipalities, from the south and clockwise: Dermbach, Weilar, Leimbach, Krayenberggemeinde, Vacha, Werra-Suhl-Tal, Gerstungen, Ruhla, Bad Liebenstein, Barchfeld-Immelborn (all in Wartburgkreis), and Breitungen in Schmalkalden-Meiningen district.

Bad Salzungen is twinned with:[3] Near the town, there is a Bundeswehr barrack, the Werratal-Kaserne, which was built in 1972 for the GDR Army.