Mongolian may refer to:

  • Something of, from, or related to Mongolia, a landlocked country in East and Central Asia that borders Russia to the north and People's Republic of China to the south, east and west.
  • Mongolians, Mongols.
  • Mongolian language. See also Languages of Mongolia.
  • Mongolian alphabet
  • Mongolian cuisine
  • (historical) the race native to East Asia (later also Mongoloid)