The role of women in Prehistoric Baltic societies has so far received relatively little attention. As for the Balts (east Baltic tribes), they have hardly been studied in this respect at all. The paper deals with aspects of warfare involving east Baltic women, fragmentary as they might be, based on archaeological data and written source material. The authors analyse archaeological data, asking if it might help to reveal whether there were any female warriors in ancient Baltic societies (this can be done by analysing grave goods and anthropological features of human remains found in graves). Investigations of female remains sometimes also reveal traces of violent traumas, potentially related to or even directly caused by war. The article also analyses Medieval written sources describing the role of east Baltic women in military conflicts. Although they are very scarce and do not provide clear answers, some rare and unique cases featuring female activity in military society reveal the importance of their role in tribal decision-making.