Johann Georg Weichenberger (c. 1660–after 1726) was a German composer and organist, primarily associated with the Baroque era. He was born in or around the region of Moravia, and his contributions to music were significant during the late 17th and early 18th centuries. Weichenberger is best known for his sacred music, particularly his chorale settings, which were published in collections such as "Cantiones Sacrae" and "Musica Sacra." His works often reflect the stylistic characteristics of the early Baroque, incorporating intricate counterpoint and expressive melodic lines. Notable compositions include a series of motets and organ works, which highlight his skill as both a composer and performer. Weichenberger's impact on music lies in his role in the transition of sacred music from the Renaissance to the Baroque period. His compositions influenced subsequent generations of composers, particularly in the realm of liturgical music. Although he may not be as widely recognized as contemporaries like Johann Sebastian Bach, Weichenberger's contributions to the development of church music during a transformative period in music history are noteworthy.