Battle of Daugavpils (also known as the Battle of Dyneburg) was the final battle of the joint Polish and Latvian Operation Winter against the Red Army. It took place in late December 1919 in the area around the city of Daugavpils. The fighting in the area started on September 28, and ended in January 1920. From the Polish perspective it was a part of the Polish-Bolshevik War, while in Latvia it is referred to as a part of Latvian War of Independence.