|Queen consort of Nepal|
|Reign||March 1919 – 13 March 1955|
Sitapur, Kheri, India
|Died||27 June 1983 (aged 75–76)|
Narayanhity Royal Palace, Kathmandu, Nepal
|Spouse||Tribhuvan of Nepal|
|House||Shah dynasty (by marriage)|
|Father||Arjan Singh Sahib|
|Mother||Krishnavati Devi Sahiba|
Ishwari Rajya Lakshmi Devi Shah (September 1907 - 27 June 1983) was the Queen consort and the second wife of Tribhuvan Bir Bikram Shah, King of the Kingdom of Nepal. She was the mother of Prince Basundhara Bir Bikram Shah and Princess Nalini Rajya Lakshmi Devi.
She was the daughter of Arjan Singh Sahib, Raja of Chhatara, Barhgaon and Oudh and his wife, Krishnavati Devi Sahiba.
She was married (at a young age in an arranged custom) at the Narayanhity Royal Palace, Kathmandu, in March 1919, to King Tribhuvan of Nepal as his second wife, in a double ceremony with her older sister Kanti, as his first wife.
- Member of the Order of Ojaswi Rajanya (1954).
- King Mahendra Coronation Medal (2 May 1956).
- King Birendra Coronation Medal (24 February 1975).