Tripurasundari, also known as Lalit Tripura Sundari Devi, was a queen consort of Nepal by marriage to King Rana Bahadur Shah of Nepal. Widowed at a very young age and childless, she served as regent of the kingdom for a long period. She was regent for her stepson Girvan Yuddha Bikram Shah in 1806–1819, and for her step-grandson Rajendra in 1819–1832. She was the first woman to publish literature in Nepal.

Rana Bahadur Shah, King of Nepal, , was the third King of Nepal, he succeeded to the throne after the death of his father, King Pratap Singh Shah. He ruled under the regencies of his mother, Queen Rajendra Rajya Lakshmi Devi, and then of his uncle, Bahadur Shah. During this time, the kingdom was expanded by conquest to include the Garhwal and Kumaon regions, now part of India. He imprisoned his uncle, Bahadur Shah, who died in jail.