Amazon Obhijaan (lit. The Amazon expedition) is a 2017 Indian Bengali-language action-adventure film written and directed by Kamaleshwar Mukherjee and produced by Shrikant Mohta and Mahendra Soni under the banner of Shree Venkatesh Films. Starring Dev in the lead role of Shankar, it is the sequel to 2013 film Chander Pahar and the second installment of Chander Pahar film series. The film revolves around Shankar, an adventurer who, along with a lady and her father, travels the Amazon in search of the City of Gold, El Dorado.

Amazon Obhijaan happens to be the 100th film of the production house. The highest-grossing Bengali film ever, it was released theatrically on 22 December 2017. On 5 January 2018, the film was dubbed and released in five languages: Hindi, Tamil, Telugu, Odia and Assamese. It is also the first Bengali film to release theatrically in United Kingdom on 12 January 2018.