Ayutāyu (Ayutayu) is the son of king Sindhudvīpa (Sindhudwipa), belonging to Ikṣvākuvaṃśa (Ikshvakuvamsa; the Ikshvaku dynasty). In the Bengal recension of Viṣṇupurāṇa (Vishnupurana), he is referred to as Ayutāśva (Ayutaswa). He is the father of Rājarṣi (Rajarshi; a king with the attributes of a seer) Ṛtuparṇa (Rituparna).