Family name Лессі (Lessi 
, Lassie 
, Лессі 
) , all over the world, is quite a rare last name. The family name Лессі is habitual in Italy, where it is quite a rare surname, Greece, where it is a rare surname, and Honduras. Measured by absolute frequency, it is commonest in Italy, Brazil, and Tanzania. Also, Лессі is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lessi | Italy, United States, Tanzania, Brazil, Democratic Republic of the Congo |
| Lassie | Indonesia, South Africa, United States, France, Brazil |
| Лессі | Ukraine |