Mario Bertoncini (27 September 1932, in Rome – 19 January 2019, in Siena) was an Italian composer, pianist, and music educator.
He has performed as a concert pianist with symphony orchestras throughout Europe and North America and in Israel and Korea.
For several decades he performed widely as both a recitalist and orchestral soloist; appearing under the batons of such conductors as Bruno Maderna, Daniele Paris, Mario Rossi, Paul Hupperts, and Roelof Krol among others.
In 1967 Bertoncini was appointed to the music faculty of the Pesaro Conservatory, where he remained through 1973.
From 1980 until his retirement in 2004 he taught on the music faculty of the Berlin University of the Arts.