Cognomen Jianh (Jianh 
) , all around the world, is a rare last name. The family name Jianh is characteristic of Malaysia, where it is a rare surname, Australia, where it is a very rare surname, and China, where it is an extremely rare surname. Much less frequently, Jianh is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jianh | Australia, Malaysia, Brazil, Switzerland, China |