Surname Borny (Borny 
) , across the world, is a rare cognomen. The cognomen Borny is habitual in Reunion, where it is quite a common surname, Belgium, where it is a rare surname, and Austria. Not in comparison with a country's population, it is commonest in France, Reunion, and Belgium. Much less frequently, Borny is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Borny | Belgium, Reunion, United States, Poland, France |
| françois alain borny (b. 1930) |
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| marcel borny French politician, FR (b. 1954) |
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