Mr. Marumakan (transl. Mr. Son-in-law) is a 2012 Malayalam-language action comedy film written by the duo Udayakrishna-Siby K. Thomas and directed by Sandhya Mohan. The movie stars Dileep in the title role with an ensemble cast including K. Bhagyaraj, Sanusha, Khushbu Sundar, Sheela, Biju Menon, Nedumudi Venu, Baburaj, Riyaz Khan, Sai Kumar, Kaviyoor Ponnamma, Salim Kumar, Suraj Venjaramoodu and Harisree Ashokan. Upon release, the film received positive reviews and it was a commercial success.

The film is a remake of the 1989 Telugu film Attaku Yamudu Ammayiki Mogudu. Some scenes of the film is borrowed from another Malayalam film Oru Penninte Kadha (1971). The film tells the story of three rich arrogant women, Raja Kokila, her adopted daughter Raja Mallika and her daughter Raja Lakshmi who believe that a woman can rule without the help of a man. However, the entry of a lawyer named Ashok Raj into their lives forces them to revise their opinions.