Around the world, Kwarciak (Kwarciak 
) is an extremely rare unknown gender first name. Much less frequently, Kwarciak is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kwarciak | Poland, Greece, United Kingdom, Canada, United States |
| anatoliusz kwarciak Polish Righteous Among the Nations, PL (b. 1931) |
|