Bauska Municipality (Latvian: Bauskas novads) is a municipality in Zemgale, Latvia.

The municipality was formed in 2009 by merging Brunava parish, Ceraukste parish, Code parish, Dāviņi parish, Gailīši parish, Īslīce parish, Mežotne parish, Vecsaule parish and Bauska town, the administrative centre being Bauska.

On 1 July 2021, Bauska Municipality was enlarged when Iecava Municipality, Rundāle Municipality and Vecumnieki Municipality ceased to exist and their territory was merged into Bauska Municipality.

[3] Latvian law defines the entire territory of Bauska Municipality as a part of the Semigallia region.

Bauska is twinned with:[5] This Semigallia location article is a stub.