Cognomen Gesis (Gesis 
) , throughout the world, is a very rare family name. The surname Gesis is characteristic of Honduras, where it is a rare surname, Greece, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Honduras, the United States, and Greece. Likewise, Gesis is the forename as well as the last name.