Cognomen Marwyk (Marwyk 
) , all over the world, is a very rare surname. The surname Marwyk is habitual in Western Europe, particularly Austria, where it is a rare surname, Germany, where it is a very rare surname, and Netherlands. Much less frequently, Marwyk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Marwyk | United States, Austria, Germany, Netherlands |