Osman Bejtullah Agë Kuka, also known as Oso Kuka (c. 1812/1820–1862), was an Albanian border guard in the Ottoman-Montenegrin border. Surrounded by Montenegrin soldiers in a tower on the island of Vranjina, he blew it up killing himself and many of the Montenegrin soldiers. In the following decades, he became a rallying figure of the Albanian independence movement and a much-celebrated character of important works in Albanian literature.