Asin was born in Cochin, Kerala, India in the Malayalam-speaking Thottumkal family which consists of her dad, Joseph, and mom, Dr. Seline, who practices in Ernakulam. She hails from Thottumkal family which is a Syro-Malabar Catholic Nasrani family spread mainly in Thodupuzha, Muvattupuzha and Pala. Her father is a businessman and her mother a surgeon. Asin's father was keen to name her as Mary, after her grandmother. He however named her Asin as the name had a beautiful meaning. Asin has quoted that her name means "pure and without blemish". She states that the 'A' in her name is from Sanskrit meaning "without", and 'sin' from English"