Pattanapravesham (transl. Entering the town) is a 1988 Indian Malayalam-language detective comedy film directed by Sathyan Anthikad and written by Sreenivasan. It stars Mohanlal, Sreenivasan, Karamana Janardhanan, Ambika and Thilakan in the lead roles. It is a sequel to the 1987 film Nadodikkattu, Mohanlal and Sreenivasan reprises their roles as Ramdas / Dasan and Vijayan, respectively. The plot follows Dasan and Vijayan who are now C.I.Ds in Tamil Nadu Police, who are charged with investigating a homicide case. The film was produced by Siyad Koker under the banner of Kokers Films.

Just six months after the events of the prequel, CIDs Ramdas and Vijayan are called to Kerala to solve the murder of a police officer. The two incompetent and clueless men find themselves facing a dangerous crime syndicate led by Prabhakaran Thampi (Karamana Janardanan Nair) that deals in drug trafficking. In addition, Anandan Nambiar (Thilakan), the man they put behind bars in Nadodikkattu escapes from jail. The film was a critical and commercial success. In 1990, Priyadarshan made a sequel titled Akkare Akkare Akkare.