Swami Hiranmayananda was born as Vijayananda Roy at Malda in West Bengal. He was initiated by Swami Shivananda (Mahapurush Maharaj) in 1929. He joined the Ramakrishna Mission at Belur Math in 1933 and had his sannyasa from Swami Virajanandaji in 1943. He came in touch with Swami Akhandanandaji, Subodhanandaji, Abhedanandaji and Vijnananandaji, all direct disciples of Sri Ramakrishna.
He served in the Bhubaneswar, Belur Math, Madras Math, Institute of Culture (Golpark) and Mysore. He was the head of the Rangoon Sevashrama (now defunct), Deoghar, Vrindaban, Baghbazar (Udbodhan), Bombay and Delhi centres. He was also the founder-secretary of Purulia Vidyapith. He became the General Secretary of the order from April 1985-February 1989.
He authored many books which were well received by the public. He was well-read in Sanskrit, Bengali and English literature.
He remained active till his last and was known for his large-heartedness. He passed away 18 May 2001 at the age of 92.