Chuvanna Sandhyakal is a 1975 Indian Malayalam film, directed by K. S. Sethumadhavan and produced by M. O. Joseph. The film stars Adoor Bhasi, Lakshmi, Mohan Sharma and Sam in the lead roles. The film has musical score by G. Devarajan.
| Directing | K. S. Sethumadhavan | Director |
| Writing | Thoppil Bhasi | Screenplay |
| Writing | Thoppil Bhasi | Dialogue |
| Art | S. Konnanattu | Art Direction |
| Writing | Vayalar Ramavarma | Lyricist |
| Production | M.O. Joseph | Producer |
| Editing | M. S. Mani | Editor |
| Camera | Balu Mahendra | Director of Photography |
| Sound | G Devarajan | Original Music Composer |
| Writing | Balu Mahendra | Story |