List of Malayalam films of 1990
The following is a list of Malayalam films released in the year 1990.
| Title | Director | Screenplay | Cast |
| Radha Madhavam | Suresh Unnithan | A K Lohithadas | Thilakan, Geetha, Jayaram, Parvathy |
| Kshanakkathu | T. K. Rajeev Kumar | Niyaz Musaliyar, Parvathy, Thilakan | |
| Thrisandhya | Raj Marbros | ||
| Appu | Dennis Joseph | Sreekumaran Thampi | Mohanlal, Sunitha |
| Gajakesariyogam | P. G. Viswambaran | Kaloor Dennis | Mukesh, Sunitha, Innocent, K. P. A. C. Lalitha |
| In Harihar Nagar | Siddique, Lal | Siddique-Lal | Mukesh, Jagadeesh, Siddique, Ashokan, Geetha Vijayan |
| Champion Thomas | Rex | Jagathy Sreekumar | Jagathy Sreekumar, Sreeja |
| Keli Kottu | T. S. Mohan | Devan, Shari | |
| Vyooham | Sangeeth Sivan | Raghuvaran, Sukumaran, Urvashi | |
| Ee Thanutha Veluppan Kalathu | Joshy | P. Padmarajan | Mammootty, Nedumudi Venu, Sumalatha, Lakshmi |
| Maalayogam | Sibi Malayil | A. K. Lohithadas | Jayaram, Mukesh, Parvathy, Innocent, Murali |
| Randam Varavu | K. Madhu | John Paul | Jayaram, Rekha |
| May Dinam | A. P. Satyan | Saikumar, Jagathy Sreekumar. Innocent | |
| Lal Salam | Venu Nagavally | Cherian Kalpakavadi | Mohanlal, Murali, Geetha, Urvashi, Rekha |
| Vidhyarambham | Jayaraj | Sreenivasan | Sreenivasan, Gautami, Nedumudi Venu, Murali |
| Apoorva Sangamam | Sasi Mohan | Sandhya | |
| Judgement | K. S. Gopalakrishnan | Devan, Ravali | |
| Parampara | Sibi Malayil | S. N. Swamy | Mammootty, Sumalatha, Suresh Gopi |
| Kanakachilanka | |||
| Ghazal | |||
| Prosecution | Thulasidas | Manoj K Jayan, Ranjini | |
| Beauty Palace | |||
| Raagam Sreeragam | |||
| Unnikuttanu Joli Kitti | |||
| Kanninilavu | |||
| Sthreekku Vendi Sthree | |||
| Indhanam | |||
| Avalkkoru Janmam Koodi | |||
| Ammayude Swantham Kunju Mary | |||
| Veeralipattu |