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.