Thomas Round (18 October 1915 – 2 October 2016) was an English opera singer and actor, best known for his performances in the leading tenor roles of the Savoy Operas and grand opera.
Round began working as a joiner and then a police officer. During World War II, he served in the Royal Air Force, training in Texas and later becoming a flight instructor for the United States Army Air Forces, while singing in churches. He sang leading tenor roles in the Gilbert and Sullivan operas for the D'Oyly Carte Opera Company from 1946 to 1949. He next spent six years in the 1950s singing opera and operetta with Sadler's Wells Opera. From 1958 to 1964, Round again performed mostly with the D'Oyly Carte company. In 1963, he co-founded a new ensemble, Gilbert and Sullivan for All, with which he toured extensively over the next two decades, singing and serving as one of the company's directors. He also sang in oratorio and concerts, broadcast on radio and television, and is heard on many recordings. Round continued to perform and lecture into his 90s.