Mladen (Cyrillic script: Младен) is a common masculine given name of Slavic origin used in South Slavic languages. The names stems from the Slavic root mlad, meaning "young". Notable people with the name include:
Mladen I Šubić Bribirski, Croatian member of the Šubić noble familyMladen II Šubić Bribirski, Croatian member of the Šubić noble familyMladen III Šubić Bribirski, Croatian member of the Šubić noble familyMladen Stojanović, Bosnian Serb leader of Yugoslav PartisansMladen Bartolović, Bosnian footballerMladen Dolar, Slovenian philosopherMladen Erjavec, Croatian basketball coachMladen Krstajić, Serbian footballerMladen Petrić, Croatian footballerMladen Rudonja, Slovenian footballerMladen Šekularac, Montenegrin basketball playerMladen Stanev, Bulgarian conductor and chorus masterMladen Vasilev, Bulgarian footballerKarl Malden (born Mladen George Sekulovich), American actor