Family name Buyandelger (Buyandelger 
) , around the globe, is a rare last name. The last name Buyandelger is characteristic of Mongolia, where it is quite a common surname, Isle of Man, where it is quite a rare surname, and the United Kingdom, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Mongolia, the United States, and Isle of Man. Also, Buyandelger is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Buyandelger | Isle of Man, China, United States, Mongolia, United Kingdom |