Der Zigeunerprimas (The Gypsy Band Leader, known as Sari and The Gypsy Virtuoso in English speaking countries) is a three-act operetta, which was composed by Emmerich Kálmán. The libretto was written by Julius Wilhelm and Fritz Grünbaum. It premiered at the Johann Strauß Theatre in Vienna on 11 October 1912.
In 1929 it was adapted into a German silent film The Gypsy Chief directed by Carl Wilhelm.