Family name Slungaard (Slungaard 
) , around the globe, is a rare last name. The cognomen Slungaard is characteristic of Norway, where it is quite a rare surname, and the United States, where it is an extremely rare surname. Very seldom, Slungaard is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Slungaard | United States, Norway |