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 | Democratic Republic of the Congo, Tanzania, United States, Brazil, Italy |
| Lassie | France, Indonesia, United States, South Africa, Brazil |
| Лессі | Ukraine |