Sister Gargi (Bengali: [sister ga?rgi?] (listen); June 23, 1912 – January 20, 2004), born Marie Louise Burke, was a writer and an eminent researcher on Swami Vivekananda, and a leading literary figure of the Ramakrishna-Vivekananda movement.
Sister Gargi was introduced to the Ramakrishna-Vivekananda movement in 1948 by Swami Ashokananda.
She is known for her six-volume work, Swami Vivekananda in the West: New Discoveries.
Her New Discoveries are considered as indispensable for Swami Vivekananda research.