Catherine of Bosnia (Serbo-Croatian: Katarina Tomašević Kotromanić/Катарина Томашевић Котроманић; born in 1453) was a member of the House of Kotromanić and the last Bosnian princess. She was captured during the Ottoman conquest of Bosnia, converted to Islam and spent the rest of her life in the Ottoman Empire. She died and was buried under the Kral Kızı Türbe in the vicinity of modern Skopje.