The film was chosen as the best foreign film in the Turkish Film Festival by the Association of Cinematic Writers.
The 44th Film Festival which ended late on Tuesday is considered one of the most acclaimed festivals in the country.
Nader and Simin: A Separation recounts the story of a middle-class Iranian couple who are getting a divorce, while considering the future of their only child.
The film has won numerous international awards including the best foreign film of the Golden Globes, the Golden Bear Award of the 2011 Berlin International Film Festival and the event's Silver Bears for the entire male and female cast ensemble.
It also won the USD 60,000 Sydney Film Prize of the 2011 Sydney Film Festival after competing against this year's Cannes Palme d'Or winner Tree of Life.
Farhadi received a $25,000 grant from the Motion Picture Association and the Asia Pacific Screen Awards (APSA) for the script development of the drama which was assessed as "a beautiful human study of a very normal everyday life, with people in a region who are being challenged all the time by social, geographical and financial issues."