Family name Sondeckis (Sondeckis 
, Сондецкис 
) , across the world, is a very rare cognomen. The surname Sondeckis is characteristic of Lithuania, where it is quite a rare surname, and Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sondeckis | Lithuania |
| Сондецкис | Russia |
|
saulius sondeckis Lithuanian violinist, conductor, orchestra leader and professor, LT (b. 1928) |
|
| saulius sondeckis LT (b. 1954) |
|
|
| vytautas sondeckis LT (b. 1972) |
|