Malek Jahan Khanom, Mahd-e Olia , (born Malek Jahan Khanom Qajar Ghovanloo, 26 February 1805 - 2 April 1873) was a Persian princess of the Qajar dynasty, consort of Mohammad Shah Qajar of Persia (reign 1834-1848) and the mother of Naser al-Din Shah Qajar. She was the granddaughter of Fat'h-Ali Shah Qajar of Persia and the cousin of her spouse, Mohammad Shah Qajar.