possibly Basque: variant spelling of Jaso. In some cases possibly an altered spelling of French Jassot, a topographic name from a derivative of jas 'resting place for animals'.

Is Jasso Italian?

Jasso is a surname of possibly Spanish or Basque origins.

Where does the last name Jasso originate from?

The surname Jasso comes from the place name Jasa, which is located in the province of Huesca, just over the Navarese border with Aragon.