Sultan Suriansyah Mosque, also known as Kuin Mosque, is a historic mosque in Banjarmasin and the oldest in South Kalimantan. Built during the reign of Sultan Suriansyah (1526–1550), the first Banjar King to embrace Islam, Kuin Mosque is one of the three oldest mosques in Banjarmasin, dating from the reign of Mufti Jamaluddin (Mufti of Banjarmasin), the other two being the Grand Mosque and Basirih Mosque.
