Natsagiin Udval (Mongolian: Нацагийн Удвал) is a Mongolian politician. She has been the secretary general of the Mongolian People's Revolutionary Party since 2010. She is the country's Health Minister. She was a candidate for the 2013 Mongolian presidential election, being the first woman to do so. Udval supports former president Nambaryn Enkhbayar who is in prison on corruption charges.