Surname Gaibu (Gaibu 
, Гайбу 
) , worldwide, is quite a rare cognomen. The surname Gaibu is habitual in Moldova, where it is quite a common surname, Slovakia, where it is a rare surname, and Japan. In absolute terms, it is the most numerous in Moldova, Japan, and India. Also, Gaibu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gaibu | Tanzania, India, Japan, Moldova, Romania |
| Гайбу | Russia, Ukraine |
| sergiu gaibu Moldovan politician, MD (b. 1976) |
|