Piaget (French pronunciation: ​[pjaʒɛ]) may refer to:
People with the surname

Édouard Piaget (1817–1910), a Swiss entomologist
Jean Piaget (1896–1980), a Swiss developmental psychologist
Paul Piaget (1905–?), a Swiss rower
Solange Piaget Knowles (born 1986), an American recording artist, actress, model and DJ

Other uses

Piaget’s theory of cognitive development, a theory about the nature and development of human intelligence
Piaget SA, a Swiss watchmaker and jeweler
Piaget Building, a building in New York City, United States of America
Jean Piaget University of Angola, a university in based in Luanda, Angola
Jean Piaget University of Cape Verde, a university in Praia, Cape Verde, with a smaller second location in Mindelo, Cape Verde
Instituto Piaget, a Portuguese private institution of higher education
Piaget Belgian Open, a former men’s golf tournament in Belgium

See also

Paget, a surname