Mladen Šubić may refer to:
Mladen I Šubić (d. 1304), Croatian nobleman, member of the Šubić family of Bribir Mladen II Šubić (1270–1343), Croatian nobleman, member of the Šubić family of Bribir Mladen III Šubić (c. 1315–1348), Croatian nobleman, member of the Šubić family of Bribir