Family name Boiardt (Boiardt 
) , worldwide, is a very rare cognomen. The last name Boiardt is habitual in Sweden, where it is a rare surname, Norway, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Boiardt | Sweden, Norway, United States |
| johanna boiardt (b. 1999) |
|