Surname 伯建 (伯建 
, Bojian 
) , worldwide, is a rare last name. The cognomen 伯建 is habitual in Romania, where it is quite a rare surname, China, where it is a very rare surname, and Spain, where it is an extremely rare surname. Not in comparison with a country's population, the name is most common in China, Romania, and Italy. More prevalently, 伯建 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 伯建 | China |
| Bojian | Romania, China, France, Singapore, United States |