Surname Chassi (Chassi 
, Châssis 
) , around the globe, is a rare family name. The surname Chassi is characteristic of Morocco, where it is a rare surname, Ecuador, where it is a very rare surname, and Peru. Not in comparison with a country's population, it is commonest in Morocco, the United States, and Peru. Likewise, Chassi is the forename as well as the last name.