Republika was a Polish rock band which began in 1978 in Torun, Poland. Originally, the band was founded and fronted by Jann Castor vel Wieslaw Rucinski under the name Res Publica. (See the links and notes below). The name took its origin from "Rzecz Pospolita" (Res Publica), but under the communist regime at the time the name was censored and not allowed.