Gaetano Bavagnoli (1879–1933) was an Italian conductor who was particularly known for his work within the field of opera. He was mainly active within Italy's major opera houses during the first third of the 20th century; although he did conduct at important international stages like the Metropolitan Opera in New York City and the Royal Opera House in London as well. He also worked as a voice teacher and was notably the instructor of opera singers , Lina Pagliughi, and Aureliano Pertile.