Karunai Prakasar (Tamil: கருணை பிரகாசர் ) was a seventeenth century Saiva spiritual writer. He was born to a Tamil-speaking Desikar family in Kanchipuram, Tamil Nadu. He was a spiritual writer who wrote more than five books. . He worshipped Saiva Siddantha. He got married when he was sixteen. He attained Mukthi Motcha at the age of eighteen. Therefore, he had no children.