Family name Olechno (Olechno 
) , in all the world, is a rare cognomen. The surname Olechno is habitual in Eastern Europe, particularly Poland, where it is quite a rare surname, Slovakia, where it is a rare surname, and Czechia. Measured by absolute frequency, this name is the most popular in Poland, the United States, and Slovakia. More frequently, Olechno is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Olechno | Slovakia, United Kingdom, United States, Czechia, Poland |