Cognomen Guji (Guji 
) , across the world, is quite a common family name. The surname Guji is habitual in Japan, where it is quite a rare surname, Ethiopia, and Nigeria, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Japan, Ethiopia, and India. Likewise, Guji is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guji | Nigeria, Ethiopia, Japan, China, India |