Surname Грабб (Grubb 
, Grabb 
, Грабб 
) , in all the world, is a common last name. The surname Грабб is characteristic of the United States, where it is quite a rare surname, New Zealand, and Australia. Measured by absolute frequency, it is the most numerous in the United States, the United Kingdom, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Grubb | Sweden, United Kingdom, Australia, United States, Canada |
| Grabb | Sweden, Australia, United States, Canada, New Zealand |
| Грабб | Ukraine |