Koiwai is used as a family name or surname in many languages. It is 6 characters long in length.

Family Name / Last Name: Koiwai
No. of characters: 6
Origin: Unknown
Meaning: Currently, no meaning found for Koiwai

How popular is Koiwai?

Koiwai is ranked 1649632 on our list.

Koiwai is a very rare family name, few people in United States and Japan have the last name. Around 55 people have been found who wears Koiwai as their family name. Few people around the world have Koiwai as their surname. More detailed information can be found below:
RankCountryCount
Countries with very very low frequency i.e., 1 - 10:
720,003 Russia4
277,603 France1
810,193 Indonesia1
Countries with very low frequency i.e., 10 - 50:
431,883 United States31
3,731 Japan18

Koiwai Namesakes

  • Kotori Koiwai, Voice actress
  • Jay Koiwai, Film producer
  • Kotori Koiwai, Voice actress
  • Maria Koiwai, from 2011 horror movie Tomio, who played N.

Related Family Names: