Stephan Tragl (October 17, 1845 in Haid, Kingdom of Bohemia; died May 1, 1891 in Prague) was a German-Bohemian architect who primarily lived and worked in Prague. His designs adhered to Historicism and the Italian Neo-Renaissance style but also incorporated elements of Neobaroque and Neo-rococo styles. His religious buildings were designed in the Neo-Romanesque and Neo-Gothic styles.