Cognomen Iodo (Iodo 
, Иодо 
) , around the world, is a rare surname. The surname Iodo is habitual in Belarus, where it is quite a rare surname, Russia, where it is a very rare surname, and Kazakhstan. Not in comparison with a country's population, it is the most numerous in Belarus, Russia, and France. Very seldom, Iodo is the forename as well as the last name.