Leonardus Alexander Ferydoun "Leo" Barjesteh van Waalwijk van Doorn (Rotterdam, 18 October 1962) is a Dutch-Persian historian, publisher and museum director. In 1988 Barjesteh established himself as an independent publisher, specialising in history, culture and genealogy. He is also co-founder (2000) and since 2017 president of the International Qajar Studies Association and has been editor-in-chief of its journal (Qajar Studies) since the first issue in 2000. Also in 2000, he was (together with Jan Bomans, lieutenant colonel Eppo Brongers and Ad Vermeulen) one of the initiators of the monument for Johan Willem Friso, Prince of Orange (1687-1711) at the Moerdijk.