Ārcanāśana (Archanasana) is one of the ṛṣivaṁśa (rishivamsa, hereditory or disciple-wise line of sages) belonging to the gotra (clan) of Maharṣi (Maharshi; Great Sage) Atri, as mentioned in the Purāṇas (Puranas; Mythological Scriptures). Through the genealogical or disciple-wise line from Atri, they are also known as Ātreya (Atreya).