Tvrtko
Tvrtko (from Bosnian / Croatian / Serbian Твртко / tvrt for hard, strong, firm ) is a male given name.
Well-known namesake
- Tvrtko I. Kotromanić (1338–1391), first king of Bosnia from 1377 to 1391
- Tvrtko II. Kotromanić (around 1380–1443), from 1404 to 1409 and again from 1421 to 1443 King of Bosnia
- Tvrtko Jakovina (* 1972), Croatian historian
- Tvrtko Kale (* 1974), Croatian football player
- Tvrtko Kulenović (* 1935), Bosnian writer
- Tvrtko Švob (1917–2008), Yugoslav or Croatian biologist
- Tvrtko Vujity (* 1972), Hungarian journalist and writer of Croatian origin