Giovanni Francesco Grossi (12 February 1653 – 29 May 1697) was one of the greatest Italian singers of the baroque age. He is better known as Siface.
Giuseppe Santarelli (1710–1790) was an Italian castrato, composer, choir conductor, voice teacher, and Roman Catholic priest. He was named a knight of the Sovereign Military Order of Malta.
Luigi Marchesi (8 August 1754 – 14 December 1829) was an Italian castrato singer, one of the most prominent and charismatic to appear in Europe during the second half of the eighteenth century.
Vincenzo dal Prato (1756–1828) was an Italian castrato singer, famous for his work with Mozart.
Baldassare Ferri (December 9, 1610 – September 10, 1680) was an Italian castrato singer. He is said to have possessed "extraordinary endurance of breath, flexibility of voice and depth of emotion".