Surname Лыссый (Lyssy 
, Lyssyj , Лыссый 
) , globally, is a rare last name. The cognomen Лыссый is habitual in Slovenia, where it is quite a rare surname, Switzerland, where it is a rare surname, and Austria. Not in comparison with a country's population, it is the most numerous in the United States, Germany, and Switzerland. Very seldom, Лыссый is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lyssy | Austria, Germany, Switzerland, Poland, United States |
| Lyssyj | Germany, United States |
| Лыссый | Russia |
| Lyssyi | United States |