Wat Langka is a wat located in Phnom Penh, Cambodia. It is one of the five ancient pagodas in Phnom Penh and was built in B.E. 1985. The temple was originally constructed as a place of refuge and for the safekeeping of the Tripiṭaka, as well as a meeting place for Khmer and Sri Lankan monks. To commemorate this gathering, the pagoda was named Wat Langka. The temple is located southwest of the Independence Monument, near Sihanouk Blvd. and Street 51.