Cognomen Genasi (Genasi 
) , in the world, is a rare surname. The cognomen Genasi is habitual in Italy, where it is a rare surname, France, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in Italy, India, and France. More frequently, Genasi is the forename as well as the last name.