One of the mantradraṣṭā (mantradrasta; one who has a vision of the mantra) ṛṣis (rishis, sages) belonging to the clan of Bhṛgu (Bhrigu). Ātmavan, son of Cyavana(Chyavana), married Ruci (Ruchi), daughter of King Nahuṣa. Sage Aurva was born from the uru (thigh) of Ruci. In a different version of Brahmāṇdapurāṇa, the name Āpravān (Apravan) can be found instead of Ātmavān.