Ja Lama (Mongolian: Жа Лама, also known as Dambiijantsan, Mongolian: Дамбийжанцан or Dambiijaa, Mongolian: Дамбийжаа, (1862–1922)) was an adventurer and warlord of unknown birth and background who fought successive campaigns against the rule of the Qing dynasty in western Mongolia between 1890 and 1922.