In all the world, Olechno (Olechno 
) is an extremely rare unknown gender first name. Very seldom, Olechno is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Olechno | Poland, United Kingdom, United States, Czechia, Slovakia |
| olechno sudymuntowicz Grand Chancellor of Lithuania, Voivode of Vilnius (b. 1450) |
|