Bijoya Ray was born as Bijoya Das to Chandra Das, a barrister and Madhuri Devi in 1918. She was the youngest of four daughters. Her elder sibling Sati Devi was well known singer and musical exponent who worked with Uday Shankar at Prithvi Theatre in Bombay and her daughter Ruma Guha Thakurta is a well known personality in music and acting world.
Bijoya graduated from Bethune College, Calcutta and after working as a clerk in a government office, she went to Bombay to start a film career. She worked in few films without success . In 1949 she married Satyajit Ray and got settled. Their only son Sandip was born in 1953. Bijoya Ray remained a constant inspiration and influence in Ray's life.She now lives in Calcutta with her son Sandip, daughterin-law Lalita and grandson Saurodip.