Sanduleak may refer to:

• Nicholas Sanduleak, an American astronomer
• 9403 Sanduleak, a minor planet
• Sanduleak -69° 202, a blue supergiant that went supernova in 1987

• CNA Barceloneta
• CNA (bookstore)
• Cnaeus (disambiguation)
• Cnaeus Pompeius Longinus
• CNAF
• CNAG
• C. Nagappan
• CN-AH
• C. N. Ahmad Moulavi
• CN Andromedae
• CNA (nonprofit)
• CNaPS Sport Itasy
• CNaPS Sport Miarinarivo
• CN ARABIA
• C. Nash Herndon
• C. Nash (rugby league)
• C.N. Ashwath Narayan
• CNA, Taipei
• CNA (Taiwan)
• CNA, Taiwan
• CN Aurel Vlaicu București
• Cnausum
• CNAV Eastore
• C. navicularis
• CNAV Laymore