Family name Kohichi (Kohichi 
) , worldwide, is a rare cognomen. The last name Kohichi is characteristic of Eastern Asia, particularly Taiwan, where it is a rare surname, and China, where it is an extremely rare surname. Likewise, Kohichi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kohichi | China, Serbia, Taiwan, Japan, Romania |