Family name بيلبي (Belby 
, Beilby 
, بيلبي) , in the world, is quite a rare last name. The family name بيلبي is characteristic of Australia, where it is quite a rare surname, New Zealand, where it is a rare surname, and the United Kingdom. Not in comparison with a country's population, it most frequently occurs in Australia, the United Kingdom, and the United States. Very seldom, بيلبي is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Belby | Australia, United Kingdom, United States, Indonesia, Democratic Republic of the Congo |
| Beilby | Australia, Canada, New Zealand, United Kingdom, United States |