Last name غرو (Gro 
, Graw 
, غرو 
) , across the world, is quite a common cognomen. The cognomen غرو is habitual in Luxembourg, where it is quite a rare surname, Germany, and the United Kingdom. In absolute terms, it most frequently occurs in Germany, the United States, and the United Kingdom. Very seldom, غرو is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gro | Norway, United Kingdom, Mexico, Germany, United States |
| Graw | United Kingdom, Mexico, Australia, Germany, United States |
| غرو | Palestinian Territory, Iraq |
| Grew | United Kingdom, Australia, Egypt, Germany, United States |