Umberto Orsini is an Italian stage, television and film actor.
Born in Novara, Orsini gave up his career as notary to attend the Accademia Nazionale di Arte Drammatica Silvio D'Amico. In the late 1950s, he emerged as a talented stage actor, and in 1960, for the theatrical rapresentation of L'Arialda, he worked for the first time with Luchino Visconti. After a few of secondary roles, Orsini debuted in a leading role in 1962 with the film Il mare, directed by Giuseppe Patroni Griffi. In 1969, he was awarded with the Nastro d'Argento for Best Supporting Actor for his performance in Visconti's The Damned. In 2008, he was nominated to David di Donatello for Best Supporting Actor for his role in Il mattino ha l'oro in bocca.