Franz Xaver Gerl (1763–1827) was an Austrian composer and bass singer, primarily associated with the Classical music genre. Born in Salzburg, Gerl was a prominent figure in the early 19th century, known for his contributions to opera and sacred music. He studied under notable composers such as Michael Haydn and later became a member of the Vienna Court Opera. Gerl's most notable works include his operas, with "Die Cid" (1802) and "Die Wasserträger" (1810) being among his best-known compositions. He also composed numerous songs, choral works, and sacred music, which showcased his lyrical style and understanding of vocal techniques. Though not as widely recognized as some of his contemporaries, Gerl's influence on the development of Viennese opera and choral music is significant. He is noted for his ability to blend dramatic expression with melodic beauty, paving the way for future composers. His work contributed to the vibrant cultural landscape of Vienna during the early 1800s, impacting both performance practices and the evolution of vocal music in the Classical tradition.