Surname イシコ (Ishiko 
, イシコ ) , all over the world, is a rare family name. The family name イシコ is habitual in Belgium, where it is a rare surname, Georgia, where it is a very rare surname, and Indonesia. Not in comparison with a country's population, it is the most numerous in Indonesia, Brazil, and Belgium. Much more frequently, イシコ is the forename as well as the last name.