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