Āsurāyaṇa(Asurayana) is one of the ṛṣivaṁśa(rishivamsa; hereditary or disciple-wise line of the sages) belonging to the gotra(clan) of Maharṣi (Maharshi; Great Sage) Kaśyapa (Kasyapa). Through the genealogical or disciple-wise line from Kaśyapa, they are also known as Kāśyapa (Kasyapa).
In Brahmāṇḍapurāṇa(Brahmandapurana) it is said that Āsurāyaṇa(Asurayana) is the exponent of of the Kauthhuma branch of Yogadarśana (Yogadarsana; Yogic philosophy).