Surname Oszlanyi (Oszlanyi 
) , in all the world, is a rare family name. The last name Oszlanyi is habitual in Hungary, where it is quite a rare surname, Germany, where it is an extremely rare surname, and the United States. Much less frequently, Oszlanyi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oszlanyi | Germany, United States, Aland Islands, Hungary |