Rastislav or Rostyslav is a male Slavic given name, meaning "to increase glory".
The name has been used by several notable people from Bulgarian, Czech, Polish, Russian, Serbian, Slovak, and Ukrainian backgrounds.
Rostia, Rostek, Rastko, Rastio, Rasty, Rosty, Rostic, Rosko, Rostko, Rastík, Rasťo, Slava, Slavik, Rasti, Ross, Rostyk