678 is a 2010 Egyptian political thriller film written and directed by Mohamed Diab. The film focuses on the daily public sexual harassment of three women of different social backgrounds in Egypt.

Mohamed Diab is an Egyptian screenwriter and director whose work often centers on pressing issues concerning Egyptian society. He is known for his directorial debut film Cairo 678 (Les Femmes du bus 678), which was released a month before the Egyptian revolution, and for directing Disney's Marvel series Moon Knight.