Cognomen Yadgard (Yadgard 
) , all over the world, is an extremely rare last name. The family name Yadgard is characteristic of Northern America, particularly Canada, where it is an extremely rare surname, and the United States. Much less frequently, Yadgard is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yadgard | Canada, United Kingdom, United States |