Sri Anirvan (July 8, 1896 – May 31, 1978) was an Indian Bengali writer, philosopher, and spiritual teacher. He is renowned for his profound interpretations of Indian philosophy and yogic traditions, particularly Vedanta and Tantra. Born in Assam, British India, he received traditional Sanskrit education and later dedicated himself to writing and teaching. His works blend Eastern and Western philosophies, emphasizing inner awakening and self-realization. Notable books include 'Inner Yoga' and 'Introduction to Vedanta Philosophy,' which have significantly influenced modern Indian spiritual literature.