ஓ காதல் கண்மணி
- Anno: 2015
- Nazione: India
- Genere: Romance, Dramma
- Studio: Madras Talkies
- Parola chiave: husband wife relationship, alzheimer's disease, love, open relationship, boyfriend girlfriend relationship, sexual relationship, live in relationship
- Direttore: Mani Ratnam
- Cast: Dulquer Salmaan, Nithya Menen, Prakash Raj, Leela Samson, Vinodhini Vaidyanathan, Ramya Subramanian