Sultan Alam Shah Museum (Malay: Muzium Sultan Alam Shah) is the state museum of the Malaysian state of Selangor. It is situated in the state capital, Shah Alam. This museum was opened in 1989 by the late Sultan of Selangor Almarhum Sultan Salahuddin Abdul Aziz Shah.
The establishment of the State Museum, which is currently known with reference to the Sultan Alam Shah Museum began when Sultan Salahuddin Abdul Aziz Shah consented to sign Enactment Selangor # 6 Year 1975 dated 27 December 1975.
After several years of weary-smarting it planned, then on 2 September 1989, the museum became a symbol of the State's cultural development was officially opened by HRH the Sultan of Selangor where the opening ceremony is done with full event Malay traditions. Museum administration was placed under the responsibility of the Selangor Museum.
Museum building built on a land area of 12.95 hectares and vast floor space is 41,538.46 square meters. This five-storey building consists of two floors of office space, three floors of exhibition space and Menambun Daeng Exhibition Hall. There are five pavilions which History Center, the House of Culture, Sports Center, Nature and Heritage Center Islamic Center and Outdoor Exhibition. The museum is also equipped with facilities such as the Resource Centre, Auditorium, Lumu King Hall, Meeting Room Daeng Perani and Kemasik, Taksedemi Laboratory and Repository.