Ludwig Senfl (ca. 1486-ca. 1543) was a German composer of Swiss birth. His masses, motets, and vernacular lieder mark the adoption by 16th-century German masters of Franco-Flemish imitative polyphony emanating from the Low Countries.

Ludwig Senfl was born in Basel. As a young boy, he sang first at Augsburg and later at Vienna in the imperial choir of Maximilian I of Austria. During this period he studied with Heinrich Isaac, official court composer of the Hapsburgs, and subsequently succeeded to the same post. In later years Senfl offered homage to Isaac by completing the older master's unfinished cycle of Mass Propers, printed in 1550 as the Choralis Constantinus, and by apotheosizing him in an original poem set to music.

After the death of Emperor Maximilian in 1519 and the dissolution of the imperial chapel choir the following year, Senfl traveled to Augsburg to supervise the publication of a motet collection, Liber...