The Battle of Rajgród was fought on 29 May 1831 between Poland and Imperial Russia, during the November Uprising.

[1] Due to the Polish expedition against the Russian guards in the area led by Antanas Gelgaudas failing near Łomża, a retreat was ordered to Rajgród, where they would encounter the Russians, which had a force of 5,800 men.

After the Battle of Ostrołęka Gelgaudas' force planned a march on Lithuania, which also included the city as part of the route.

Both forces met, and as the guards started a fight Atantanas' vanguard near the village of Miecze, they were attacked during a march and forced to retreat to Rajgród, which they were pushed out of and lost the battle, which resulted in 800 casualties and 1,200 prisoners of war.

[1] This victory was an important strategic move for the Poles, as the Russians gave them an open way to Lithuania, where there was an active partisan movement since February.