Chander Pahar (transl. Mountain of the Moon) (released as Mountains of the Moon in the United States) is a 2013 Indian Bengali-language action-adventure film based on Chander Pahar by Bengali novelist Bibhutibhushan Bandyopadhyay, directed by Kamaleshwar Mukherjee and produced by Mahendra Soni and Shrikant Mohta under the banner of their production house Shree Venkatesh Films. It features Bengali actor Dev in the lead role as Shankar. This is the first collaboration between Dev and Mukherjee, the latter having made only two films before: Uro Chithi and Meghe Dhaka Tara.It was dream project of Late Filmmaker Tarun Majumdar.

Principal photography commenced on 20 April 2013. The film released on 20 December 2013. The trailer was released on Children's Day of 2013 at Nicco Park at 5 pm. This is the first Indian film to be extensively shot in South Africa. Chander Pahar is one of the most successful films in Bengali cinema. Critics consider it Dev's most memorable and recognizable work. It is the first film of the Chander Pahar franchise and was followed by Amazon Obhijaan in 2017. The film went down as the third highest grossing Bengali film of all time, surpassed by the sequel, Amazon Obhijaan.