Last name Buendgen (Buendgen 
) , in the entire world, is a rare cognomen. The family name Buendgen is habitual in Germany, where it is a rare surname, Austria, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Buendgen | Germany, Austria, United States |
| achim buendgen chess player (b. 1966) |
|