Vecumnieki Municipality (Latvian: Vecumnieku novads) is a former municipality in Semigallia, Latvia.

The municipality was formed in 2009 by merging Bārbele parish, Kurmene parish, Skaistkalne parish, Stelpe parish, Valle parish and Vecumnieki parish; the administrative centre being Vecumnieki.

[3] On 1 July 2021, Vecumnieki Municipality ceased to exist and its territory was merged with Bauska Municipality.

[4] Since 2006 every year in July Vecumnieki county hosts a nation-wide Lily festival with exhibition of lilies, competition among florists and other cultural events and activities.

This Semigallia location article is a stub.