Cognomen Barlai (Barlai 
) , across the world, is a rare last name. The cognomen Barlai is habitual in Hungary, where it is quite a rare surname, Germany, where it is a very rare surname, and Russia, where it is an extremely rare surname. In absolute terms, this name is the most popular in Hungary, Germany, and India. Very seldom, Barlai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Barlai | Hungary, Germany, United States, India, Russia |
| barlai béla HU (b. 1870) |
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| barlai ervin Hungarian forestry engineer, economist (1899-1967), HU (b. 1899) |
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