Komazec (Комазец) is a Serbian surname. The Komazec family settled in Dalmatia during the Great Serb Migrations. They are traditionally living in the former village of Žegar, which now constitutes Kaštel Žegarski, Bogatnik, Nadvoda and Komazeci (now in Obrovac). At the census in 1991, the village Komazeci had 357 inhabitants who all declared themselves as Serbs. It may refer to: