List of Famous people named Sidney

Sidney Katherine Powell is an American attorney and former federal prosecutor, best known for her promotion of conspiracy theories in attempts to overturn the 2020 United States presidential election.

Sidney Patrick Crosby is a Canadian professional ice hockey player and captain of the Pittsburgh Penguins of the National Hockey League (NHL). Nicknamed "Sid the Kid" and dubbed "The Next One," Crosby was selected first overall by the Penguins in the 2005 NHL Entry Draft, and is widely regarded as one of the greatest hockey players of all time.

Sidney Poitier is a Bahamian-American retired actor, film director, and ambassador. In 1964, Poitier won the Academy Award for Best Actor becoming the first black male and Afro-Bahamian actor to win that award. He is the oldest living and earliest surviving Best Actor Academy Award winner. From 1997 to 2007, he served as the Bahamian Ambassador to Japan.

Sidney Stone Blumenthal is an American journalist and political operative.

Sidney Arthur Lumet was an American film director, producer, and screenwriter with over 50 films to his credit. He was nominated five times for the Academy Award: four for Best Director for 12 Angry Men (1957), Dog Day Afternoon (1975), Network (1976), and The Verdict (1982) and one for Best Adapted Screenplay for Prince of the City (1981). He did not win an individual Academy Award, but did receive an Academy Honorary Award, and 14 of his films were nominated for Oscars, including Network, which was nominated for ten and won four.

Sidney George Reilly —known as "Ace of Spies"—was a Russian-born adventurer and secret agent employed by Scotland Yard's Special Branch and later by the Foreign Section of the British Secret Service Bureau, the precursor to the modern British Secret Intelligence Service (MI6/SIS). He is alleged to have spied for at least four different great powers, and documentary evidence indicates that he was involved in espionage activities in 1890s London among Russian émigré circles, in Manchuria on the eve of the Russo-Japanese War (1904–05), and in an abortive 1918 coup d'état against Vladimir Lenin's Bolshevik government in Moscow.

Sidney Magal, artistic name Sidney Magalhães, is a Brazilian singer, dancer and actor.

Sidney Dorsey is an American former law enforcement officer who served as Sheriff of DeKalb County, Georgia from 1996 to 2000. Dorsey was the first African-American to serve as sheriff of DeKalb County. When he was defeated in a 2000 runoff election by challenger Derwin Brown, he arranged the murder of Brown.

Sidney Sam is a German professional footballer who plays as a forward or winger for Turkish club Antalyaspor. He is known for his explosive speed and dribbling style.

Michael Sidney Luft was an American show business figure, the second husband of actress Lynn Bari and later the third husband of actress and singer Judy Garland.