Kadathanaattu Maakkam is a 1978 Indian Malayalam film, directed and produced by Navodaya Appachan. The film stars Prem Nazir, Jayan, Sheela and Sukumari in lead roles. The film had musical score by G. Devarajan.

Lakshmi (Saradha) is married to Satheeshan (Madhu). She gives birth to a child, but their relationship begins to crumble when Lakshmi reveals that the real Father of her son is a celestial being.

Brokers, Freddy and Nicholas, try various ways to make money to repossess their boat from a businessman. However, they get into trouble when they resort to illegal ways to earn money.

Kunjoonjamma Thomas is a widow living in the village all by herself. People always make fun of her because she is grumpy and depressed due to the deaths of her husband and her only child. Children irritate her by ringing her door bell and running away. One day, her granddaughter Girly, who she had never met, visits her. Initially, Kunjoonjamma does not like Girly, but they soon become close to each other.

The hilarious trio from 'Ramji Rao Speaking' faces a new trouble when the heroine of their drama group quits.