Last name Boular (Boular 
) , throughout the world, is a very rare cognomen. The family name Boular is characteristic of Bulgaria, where it is a rare surname, New Zealand, where it is a very rare surname, and the United Kingdom. Not in comparison with a country's population, it is the most numerous in the United States, Bulgaria, and the United Kingdom. Much less frequently, Boular is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Boular | United Kingdom, Morocco, Malaysia, United States, Bulgaria |