Osman Bey

Osman Bey may refer to:

• Osman I, Ottoman Bey (c. 1254–1323)
• Tanburi Büyük Osman Bey (1816–1885), Ottoman composer
• Osman Hamdi Bey (1842–1910), Ottoman statesman
• Qara Osman (fl. 1378–1435), Oghuz Turkic leader
• Topal Osman (1883–1923), Turkish militia leader
• Osman Bey (fl. 1737), Ottoman Bosnian commander
• Osman Adil Bey, mayor of Thessaloniki (1908)
• Osman Bey, name taken by English writer and army officer Frederick van Millingen while in Ottoman service
• Osman Bey (fictional character), the main protagonist of the Turkish series Kuruluş: Osman
• Osman Bey (fictional character), in Turkish historical series Kuruluş: Orhan