In all the world, Леонсия (Леонсия 
) is a very rare female forename. The forename Леонсия is habitual in Eastern Europe, particularly Russia, where it is a very rare female name. Much less frequently, Леонсия is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Леонсия | Kyrgyzstan, Kazakhstan, Russia |