Aindrita Ray was born as the youngest daughter into a Bengali family in Udaipur, Rajasthan, where she spent her childhood, before moving to Mumbai. With her father, A. K. Ray, being a dentist in the Indian Air Force, she along with her family moved from one place to another, finally settling in Bangalore.

Her mother, Sunita Ray, is a child psychologist, while her elder sister works for a multinational company. Ray studied at Baldwin Girls High School, Bangalore. Later she joined Dr. B R Ambedkar Dental College, Bangalore to pursue a bachelor’s degree in dental science.

While studying, she did part-time modelling, appearing in television advertisements, which paved way for her entry into the film industry. She can converse in Kannada, Hindi, English and Bengali.