Throughout the world, イッコウ (Ikko 
, イッコウ ) is a rare gender-neutral first name. The first name イッコウ is habitual in Indonesia, where it is a rare gender-neutral name, Nigeria, where it is a very rare mostly boy's, but uncommonly feminine name, and India, where it is an extremely rare unisex name. Also, イッコウ is the last name as well as the forename.