Last name Блаер (Blaer 
, Blayer 
, Блаер 
) , around the world, is a rare surname. The cognomen Блаер is habitual in Romania, where it is a rare surname, Israel, and Hungary. Not in comparison with a country's population, this name is the most popular in the United States, Romania, and France. Much less frequently, Блаер is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Blaer | Argentina, Australia, Romania, United States, Germany |
| Blayer | Israel, France, Argentina, United States, Germany |
| Блаер | Russia |