Dyaus (sidoo kale loo higaadiyay Dyauṣ ama Dyauṣ Pitā) waa kalmad Sanskrit ah oo tilmaamaysa ilaahii hore ee Vedic ee cirka iyo samada. Khuraafaadka Hinduuga, Dyaus waxaa inta badan lala xiriiriyaa ilaaha Indra waxaana mararka qaarkood loo yaqaan Dyaus Pita, taasoo macnaheedu yahay "Aabbaha Cirka." Suugaanta Vedic, Dyaus waxaa sidoo kale loo yaqaanaa aabaha ilaahadda Ushas (waaberi) waxaana mararka qaarkood lagu sheegaa xiriirka Prithvi (dhulka), sida lamaanaha rabbaaniga ah ee Dyaus-Prithvi. Erayga Dyaus waxa badanaa loo tarjumaa "cir" ama "samo."