Dyas is an oil and gas company headquartered in the Netherlands.
Dyas may also refer to:
Dyas (king), 11th-century Indian king of the Chudasama dynasty DYAS, a Philippine radio station Dyas Island, Nunavut, Canada B. H. Dyas, a defunct department store in California, US Robert Dyas, a UK hardware and houseware retailer An archaic name for the Permian period
People with the surname Ada Dyas (1843–1908), Irish actress Alexander Dyas (1886–1958), Canadian physician and political figure Dave Dyas, rugby league footballer of the 1970s and 1980s Ed Dyas (1939–2011), American football player Guy Hendrix Dyas (born 1968), English film production designer Kevin Dyas (born 1987), Irish Gaelic and Australian rules footballer
See also Phalonidia dyas, a species of moth DYA (disambiguation)