Siras may refer to:
Siris (goddess), or Siraš, a Mesopotamian goddess associated with beer Surasa, or Siras, a Hindu goddess, mother of the primordial reptilians Hmayak Siras (1902–1983), Armenian writer Ramchandra Siras (1948–2010), Indian linguist SIRAS, a form of isomorphous replacement in crystallography
See also Sira (disambiguation) Siraspur, a village in Delhi, India