Ratna Rajya Lakshmi Devi Shah (born 19 August 1928) is a member of the Nepalese Royal Family who was Queen consort of Nepal from 1955 to 1972 and Queen dowager from 1972 to 2008 when the royal family were stripped of all titles and privileges. She is the second wife of King Mahendra (1920–1972). Ratna belongs to the aristocratic Rana family and is the daughter of Field Marshal Hari Shamsher Jang Bahadur Rana and his wife, Megha Kumari Rajya Lakshmi.