Family name Laszlo Janos (Laszlo Janos 
) , worldwide, is an extremely rare cognomen. The surname Laszlo Janos is habitual in Eastern Europe, particularly Hungary, where it is a very rare surname. More prevalently, Laszlo Janos is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Laszlo Janos | Germany, Hungary, Spain |