Family name Swieck (Swieck 
) , in all the world, is a very rare cognomen. The cognomen Swieck is characteristic of the United States, where it is a very rare surname, South Africa, where it is an extremely rare surname, and the United Kingdom. Measured by absolute frequency, it is the most numerous in the United States, South Africa, and Brazil. Very seldom, Swieck is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Swieck | Brazil, United States, United Kingdom, South Africa |