Dyaus (wanda kuma aka rubuta Dyauṣ ko Dyauṣ Pitā) kalma ce ta Sanskrit da ke nuni ga tsohon allahntakar Vedic na sama da sammai. A cikin tarihin Hindu, Dyaus sau da yawa yana hade da allahn Indra kuma wani lokaci ana kiransa Dyaus Pita, wanda ke nufin "Uban Sama." A cikin wallafe-wallafen Vedic, ana kuma san Dyaus a matsayin uban allahiya Ushas (alfijir) kuma wani lokaci ana ambatonsa tare da Prithvi (duniya), a matsayin ma'aurata na allahntaka Dyaus-Prithvi. Ana yawan fassara kalmar Dyaus a matsayin "sama" ko "sama."