Leonardo Bruni or Leonardo Aretino (– March 9, 1444) was an Italian humanist, historian and statesman, often recognized as the most important humanist historian of the early Renaissance.

Actor known for diverse roles.

Medieval mathematician introduced Hindu-Arabic numerals.

(1690 – 27 May 1730) an Italian Baroque composer known chiefly for his 40 or so operas; comparatively little of his work in other genres survives.

a contemporary artist based in Brooklyn, New York.

Leonardo Leo (5 August 1694 – 31 October 1744), more correctly Leonardo Ortensio Salvatore de Leo, was a Baroque composer.

Renaissance artist, inventor, and polymath.

Renaissance artist, inventor, and polymath.

Leonardo Balada Ibáñez (born September 22, 1933) is a Catalan American classical composer, who is noted for his operas and orchestral works.