Johann Jacob Rowalt (c. 1740–1799) was a German composer and musician primarily associated with the classical genre. He is best known for his contributions to choral and vocal music, with a focus on sacred compositions. Rowalt's notable works include a number of cantatas and sacred songs, which reflect the stylistic practices of the late Baroque and early Classical periods. While not widely recognized in mainstream music history, Rowalt's compositions contributed to the development of choral music in Germany during a transitional era in Western music. His works often showcased intricate harmonies and developed melodic lines typical of the time. Rowalt's music was performed within church settings, and he played a role in the evolution of liturgical music, influencing subsequent generations of composers who sought to blend traditional forms with emerging classical styles. Though not extensively documented, Rowalt's impact lies in his representation of the choral tradition in the late 18th century and his contributions to the sacred music repertoire, which would pave the way for future composers in the genre.