Family name Kihiko (Kihiko 
) , all over the world, is quite a rare surname. The surname Kihiko is habitual in Kenya, where it is quite a rare surname, Japan, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. In absolute terms, it is the most numerous in Kenya, Japan, and China. More frequently, Kihiko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kihiko | Kenya, Japan, United Kingdom, China, United States |