Surname Kwapien (Kwapien 
) , in the world, is a rare last name. The last name Kwapien is characteristic of Poland, where it is a rare surname, Germany, where it is a very rare surname, and Canada. Measured by absolute frequency, it is commonest in Poland, the United States, and Germany. More prevalently, Kwapien is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kwapien | United Kingdom, Poland, Canada, Germany, United States |