Elchin Musaoglu [Guliyev] (Azerbaijani: Elçin Musaoğlu Quliyev) is an Azerbaijani theatre and film director, screenwriter, and producer. He is best known for the award-winning feature films The 40th Door and Nabat. In 2016, he was awarded the honorary title of Honored Art Worker of the Republic of Azerbaijan. Musaoglu is a member of the European Film Academy, the Azerbaijan Professional Film Directors Guild, and the Turkish Association of Documentary Filmmakers.
