Cognomen Machynia (Machynia 
) , globally, is a rare last name. The last name Machynia is characteristic of Poland, where it is a rare surname, Argentina, where it is a very rare surname, and France. Not in comparison with a country's population, this name is the most popular in Poland, the United States, and Argentina. More frequently, Machynia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Machynia | Germany, France, Argentina, Poland, United States |