Surname Guilem (Guilem 
) , around the globe, is a very rare family name. The last name Guilem is habitual in Spain, where it is a very rare surname, Brazil, and France, where it is an extremely rare surname. Also, Guilem is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guilem | Philippines, Spain, Brazil, India, France |