Surname Sinkiewicz (Sinkiewicz 
) , throughout the world, is quite a rare last name. The surname Sinkiewicz is habitual in Poland, where it is quite a rare surname, Lithuania, where it is a rare surname, and Uruguay. Not in comparison with a country's population, it is the most numerous in Poland, the United States, and Germany. Likewise, Sinkiewicz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sinkiewicz | Canada, Poland, Lithuania, United States, Germany |
| helena sinkiewicz Polish Righteous Among the Nations, PL (b. 1921) |
|
|
|
lukas sinkiewicz German footballer, PL (b. 1985) |
|
| władysław sinkiewicz Polish cardiologist, PL |
|