The origin of the distinguished surname Arnaud can be located at the enigmatic and beautiful city of Venice.
Although people were originally known only by their first names, it became necessary to adopt a second name to identify due to population growth.

The most common type of family name found in the region of Venice was the surname that derives from the name of the father.
During the Middle Ages the Italians adopted the patronymic system for surnames.
Then in Italy during the Christian age, people often gave as a second name to their children the names of saints or biblical figures.
The name Arnaud derives from the name Arnaldi itself derived from the Franco name Arnuwalda which is divided into Arnu which means eagle, and Walden which means powerful.