Family name Blahyj (Blahyj 
) , all over the world, is a very rare cognomen. The surname Blahyj is characteristic of Poland, where it is a very rare surname, France, and the United Kingdom. Not in comparison with a country's population, this name is the most popular in France, Poland, and the United States. Also, Blahyj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Blahyj | Poland, France, United Kingdom, United States |