Cognomen Elswyk (Elswyk 
) , in all the world, is a very rare family name. The last name Elswyk is habitual in Australia, where it is a very rare surname, Netherlands, and Canada. Not in comparison with a country's population, it most frequently occurs in Australia, Netherlands, and Germany. Very seldom, Elswyk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Elswyk | Netherlands, Canada, Australia, United States, Germany |