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. He was from Sumatra, Indonesia.