Surname シトロン (Citron , シトロン) , worldwide, is quite a rare family name. The surname シトロン is characteristic of Martinique, where it is quite a common surname, Israel, where it is quite a rare surname, and Italy, where it is a rare surname. Not in comparison with a country's population, the name is most common in the United States, Italy, and France. Much less frequently, シトロン is the forename as well as the last name.