The Raja Alang Mosque (Malay: Masjid Raja Alang) is a historical mosque in Beranang, Sepang District, Selangor, Malaysia.

It was named after Raja Alang, who was the son of Tengku Panglima Besar Selangor, Raja Berayun Raja Ibrahim, who ruled Kajang during Almarhum Sultan Sir Abdul Samad's reign.

The mosque was officially opened in 1907 by Almarhum Sultan Sir Alaeddin Sulaiman Shah of Selangor.

Its style is Middle Eastern with Moorish and Western influences.

This article about a mosque or other Islamic place of worship in Malaysia is a stub.