King Roger (Polish: Król Roger, Op. 46) is an opera in three acts by Karol Szymanowski to a Polish libretto by the composer himself and Jarosław Iwaszkiewicz, the composer's cousin. The opera received its world premiere on 19 June 1926 at the Grand Theatre, Warsaw, with the cast including the composer's sister, the soprano Stanisława Korwin-Szymanowska, as Roxana.

Original Name Król Roger
Librettist Jarosław Iwaszkiewicz (in collaboration with the composer)
Date of composition 1924 (1918-1924)
Type Opera
Catalogue Op. 46
Approx. duration 80 minutes
Arrangements Karol Szymanowski: Roxana's Song
Autotranslations beta Karol Szymanowski: King Roger, Op. 46
Karol Szymanowski: King Roger, Op. 46
Karol Szymanowski: King Roger, Op. 46