Sir William Ridgeway (6 August 1858 – 12 August 1926) was a classical scholar and the Disney Professor of Archaeology at Cambridge University.
Ridgeway was educated at Portarlington School and Trinity College, Dublin, after which he studied at Peterhouse, Cambridge then Gonville and Caius College, Cambridge, completing the Classical tripos there in 1880.
In 1883 Ridgeway was elected Professor of Greek at Queen's College, Cork, then Disney Professor of Archaeology at Cambridge in 1892. He also held tenure as Gifford lecturer in Religion at Aberdeen University from 1909 to 1911 from which was published The Evolution of Religions of Ancient Greece and Rome.
He contributed articles to the Encyclopedia Biblica (1903), Encyclopædia Britannica (1911) and wrote The Origin of Metallic Currency and Weight Standards (1892), and The Early Age of Greece (1901) which were significant works in Archaeology and Anthropology.
Ridgeway was President of the Royal Anthropological Institute 1908-1910 and was instrumental in the foundation of the Cambridge school of Anthropology.
Ridgeway received an honorary Doctorate of Letters (D.Litt.) from the University of Dublin in June 1902. He was knighted in the 1919 Birthday Honours list.