Urbonavičius
Urbonavičius is a Lithuanian family name, a patronymic from the given name Urbonas created with the suffix -ičius, which is a Lithuanization of the Polish/Ruthenian patronymic suffix -wicz/-vich.
Notable people with the surname include:
- , Lithuanian MMA fighter
- , Lithuanian rock musician from group LT United
- , Lithuanian priest, prelate, organizer of the distribution of the banned Lithuanian press
- , Lithuanian theater manager
- Simonas Urbonavičius, Lithuanian heavyweight boxer