Last name Kotoki (Kotoki 
) , throughout the world, is a rare family name. The last name Kotoki is habitual in India, where it is a very rare surname, Iran, and South Africa. Also, Kotoki is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kotoki | Japan, South Africa, Iran, Nigeria, India |
| liladhar kotoki Indian politician, IN (b. 1917) |
|
|
| karin kotoki Japanese AV idol (b. 1996) |
|