The Blue 9 (Plavi 9) is a 1950 Croatian football comedy film. The film was directed by Krešo Golik.
That film is a bizarre mixture of the Soviet-style industrial epic, romantic comedy and football film. It is famous for superbly directed football sequences. After release it quickly became the biggest hit of then-young Yugoslav cinema.
This film is first Croatian movie with sport as the main topic. The Blue 9 is also first Croatian comedy film from sound era.
Movie was filmed on the locations in Croatia (Split, Rijeka and Zagreb) and in Serbia (Belgrade).