Orlando Sirola (April 30, 1928 – November 13, 1995) was a tennis player from Italy.
Sirola was born in Fiume, today the Croatian city of Rijeka. He only began playing tennis at the age of 22. Despite his late start, he achieved some notable successes.
Sirola's best result in a Grand Slam singles event was at Roland Garros in 1960, where he reached the semifinals. He also won the Roland Garros doubles title in 1959, partnering Nicola Pietrangeli. He was a member of the Italian teams which finished runners-up to Australia in the Davis Cup in 1960 and 1961.