Meaning A girl's name of Polish origin, it means "usurper's glory." Origin of Roscislawa Polish , Slavic Popular Middle Names Pronunciation 🔊 Listen Roscislawa Similar Names Boguslawa Czeslawa Dobroslawa Jaroslawa Aahana Aitana Radoslava Rostinka Rostislava Rasine Year by Year Popularity of Roscislawa