Surname Guilbo (Guilbo 
, Гильбо 
) , worldwide, is a very rare cognomen. The last name Guilbo is habitual in Russia, where it is a very rare surname, France, and the United States, where it is an extremely rare surname. Much less frequently, Guilbo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guilbo | United States, Philippines, France |
| Гильбо | Russia |