Family name סיקורסקי (Sikorsky 
, סיקורסקי 
, Sikorskis 
) , worldwide, is a rare cognomen. The family name סיקורסקי is characteristic of Lithuania, where it is quite a rare surname, Switzerland, where it is a rare surname, and Israel. Measured by absolute frequency, it is commonest in the United States, Germany, and Switzerland.
| VARIANT | COUNTRY |
|---|---|
| Sikorsky | Germany, Switzerland, Canada, United States, Poland |
| סיקורסקי | Israel |
| Sikorskis | United Kingdom, Lithuania, United States |