Advaith is a South Indian spelling of Advait, from the Sanskrit advaita, which means "non-dual" or "unique", one without a second. The word names Advaita Vedanta, the school of Hindu philosophy taught by Shankara that sees the individual soul and the absolute as one. The name is popular with Indian American families: it climbed from number 10390 in 2000 to number 1762 in 2018 and sits at number 2642 in 2025 with 49 boys.