The following is a list of Malayalam films released in 1966.
| Opening | Sl. no. | Film | Cast | Director | Music director | Notes | |
|---|---|---|---|---|---|---|---|
| J A N | 21 | Manikyakottaram | U. Rajagopal | ||||
| F E B | 11 | Kalithozhan | |||||
| M A R | 4 | Puthri | |||||
| 11 | Kusruthykuttan | Vijayabhaskar | |||||
| 19 | Archana | ||||||
| 31 | Station Master | ||||||
| A P R | 8 | Pakalkkinavu | S. S. Rajan | ||||
| 9 | Rowdy | ||||||
| 16 | Pinchuhridhayam | ||||||
| 22 | Kadamattathachan | K. R. Nambiar, Rt. Rev. Fr. George Thariyan | |||||
| M A Y | 14 | Jail | |||||
| J U N | 17 | Pennmakkal | |||||
| 30 | Koottukar | ||||||
| J U L | 9 | Kaattumallika | Gitanjali, Anandan | ||||
| 15 | Kalyanarathriyil | ||||||
| 29 | Kayamkulam Kochunni | ||||||
| A U G | 19 | Chemmeen | |||||
| 27 | Anarkali | ||||||
| S E P | 19 | Tharavattamma | |||||
| O C T | 14 | Kanakachilanga | G. Devarajan | ||||
| 16 | Kanmanikal | ||||||
| 28 | Poochakkanni | ||||||
| N O V | 11 | Kallipennu | |||||
| 25 | Karuna | K. Thankappan | |||||
| D E C | 2 | Sthanarthy Saramma | |||||
| 22 | Thilothama | ||||||
| Priyathama | Br Lakshmanan | ||||||
| 24 | Mayor Nair |