Surname Помпей (Pompeu 
, Pompey 
, Помпей 
) , in the entire world, is a common last name. The cognomen Помпей is characteristic of Latin America and the Caribbean, particularly Saint Vincent and the Grenadines, where it is a common surname, Trinidad and Tobago, where it is quite a common surname, and Brazil, where it is quite a rare surname. Not in comparison with a country's population, the name is most common in Brazil, the United States, and Angola. Much less frequently, Помпей is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pompeu | Canada, France, Brazil, United States, Angola |
| Pompey | France, Saint Vincent and the Grenadines, Brazil, United States, Trinidad and Tobago |
| Помпей | Russia, Ukraine |
| Pompeius | France, Sweden |