Last name 怀瑶 (怀瑶 
) , worldwide, is a very rare family name. The last name 怀瑶 is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 怀瑶 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 怀瑶 | China |