Osman Bey
Osman Bey may refer to:
- Osman I, Ottoman Bey
- Tanburi Büyük Osman Bey, Ottoman composer
- Osman Hamdi Bey, Ottoman statesman
- Qara Osman, Oghuz Turkic leader
- Topal Osman, Turkish militia leader
- Osman Bey, Ottoman Bosnian commander
- Osman Adil Bey, mayor of Thessaloniki
- Osman Bey, name taken by English writer and army officer Frederick van Millingen while in Ottoman service
- Osman Bey, the main protagonist of the Turkish series Kuruluş: Osman
- Osman Bey, in Turkish historical series ''Kuruluş: Orhan''