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