य़कीन
- År: 1969
- Land: India
- Genre: Mysterium, Action, Kriminalitet, Romantik, Thriller
- Studio:
- Nøgleord: secret agent, intelligence agency, secret service
- Direktør: Brij
- Cast: Dharmendra, Sharmila Tagore, David Abraham Cheulkar, Kamini Kaushal, Anwar Hussain, Asit Sen