Across the world, Sondeckis (Sondeckis 
, Сондецкис 
) is an extremely rare unknown gender first name. Predominantly, Sondeckis is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sondeckis | Lithuania |
| Сондецкис | Russia |
|
jackus sondeckis politician, LT (b. 1883) |
|