Otakar Hostinský (2 January 1847, Martiněves – 19 January 1910, Prague) was a Czech historian, musicologist, and professor of musical aesthetics.
He is known primarily for his support of composer Bedřich Smetana and his contributions to Czech aesthetic theory, which influenced many cultural figures in early twentieth-century Prague, including Zdeněk Nejedlý, Otakar Zich, and Vladimír Helfert.
He also wrote the opera librettos to Zdeněk Fibich's masterpiece, The Bride of Messina, and Josef Richard Rozkošný's Cinderella.
[1] Born in Bohemia, Otakar Hostinský studied in Munich and Prague, obtaining his doctorate in 1869.
In Prague, Hostinský was a professor at the Academy of Fine Arts, the Prague Conservatory, and the Academy of Arts, Architecture and Design.