Roja Municipality (Latvian: Rojas novads, Livonian: Rūoj mōgõn) is a former municipality in Courland, Latvia.

The municipality was formed in 2009 by merging Mērsrags parish and Roja parish the administrative centre being Roja.

Since 2010 a separate Mērsrags municipality has been created.

[3] On 1 July 2021, Roja Municipality ceased to exist and its territory was merged into Talsi Municipality.

This Courland location article is a stub.