Last name Popadiuk (Popadiuk 
) , around the world, is a rare cognomen. The surname Popadiuk is characteristic of Belgium, where it is a rare surname, Brazil, and Poland. Not in comparison with a country's population, it most frequently occurs in Brazil, the United States, and Poland. Very seldom, Popadiuk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Popadiuk | Belgium, United States, Poland, Canada, Brazil |
|
roman popadiuk American diplomat, US (b. 1950) |
|
| john popadiuk Pinball designer (b. 1962) |
|