Cognomen Shaffer-Plugis (Shaffer-Plugis 
) , in all the world, is an extremely rare surname. The surname Shaffer-Plugis is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Shaffer, and a last name Plugis.
| VARIANT | COUNTRY |
|---|---|
| Shaffer-Plugis | United States |