Johann Nepomuk Poissl (1766–1831) was an Austrian composer and conductor, notable for his contributions to the classical music genre during the late 18th and early 19th centuries. Although not as widely recognized as his contemporaries, Poissl’s work reflects the transition between the Classical and early Romantic periods. He is best known for his operas, including "Die drei Wünsche" and "Der Pionier," which showcase his melodic style and dramatic flair. Poissl also composed symphonies, chamber music, and sacred works, contributing to the rich tapestry of the Viennese musical landscape. His compositions often exhibit the influence of the Viennese school, particularly that of Haydn and early Beethoven. While Poissl's music did not achieve the same enduring popularity as that of some of his peers, his work is a valuable part of the historical context of the era, illustrating the evolution of operatic and orchestral styles. His contributions are recognized by musicologists interested in the broader development of European music during this transformative period.