Last name 恽臻 (恽臻 
) , all over the world, is a very rare cognomen. The surname 恽臻 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 恽臻 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 恽臻 | China |