Sikorsky or Sikorski may refer to:

• Sikorsky (comics), a Marvel Comics character
• Sikorsky (crater), a lunar crater
• Sikorsky Aircraft, an American aircraft manufacturer

• Brian Sikorski (born 1974), Major League Baseball and Nippon Professional Baseball relief pitcher
• Daniel Sikorski (born 1987), Austrian footballer
• Igor Sikorsky (1889–1972), Russian-American inventor and founder of the Sikorsky Aircraft Corporation
• Kazimierz Sikorski (1895–1986), Polish composer
• Krystian Sikorski, Polish ice hockey player
• Radosław Sikorski (born 1963), Polish Minister of Foreign Affairs, former Minister of National Defence
• Roman Sikorski (1920–1983), Polish mathematician
• Władysław Sikorski (1881–1943), Polish general and Prime Minister in exile during World War II

• Rudolf Sikorski, a character in Boris and Arkady Strugatsky's series of novels

• Sikorski
• Hans Sikorski, a music publishing house in Hamburg, Germany
• Polish Institute and Sikorski Museum, a museum in London,