Hayez is a surname. Notable people with the surname include:
*
Francesco Hayez, (1791–1882), Italian painter
*
Théo Hayez
Theo is a given name and a hypocorism.
Greek origin
Many names beginning with the root "Theo-" derive from the Ancient Greek word ''theos'' (''θεός''), which means god, for example:
*Feminine names: Thea, Theodora, Theodosia, Theophania, ...
(born 2001), Belgian man who disappeared in the Cape Byron area
{{surname
French-language surnames
Surnames of French origin
Surnames of Belgian origin
