The Yang di-Pertuan Muda of Riau, or Yamtuan Muda Riau, was a hereditary position and the chief official of the Johor Sultanate and later the Riau-Lingga Sultanate.

Raja Ali Haji bin Raja Haji Ahmad was a 19th-century Bugis-Malay historian, poet and scholar who wrote Tuhfal al-Nafis. Haji has been described as one of the most important Malay writers of the 19th c