Family name 思贝 (Sibei 
, 思贝 ) , worldwide, is a rare cognomen. The family name 思贝 is habitual in South Africa, where it is a rare surname, China, where it is a very rare surname, and India, where it is an extremely rare surname. More prevalently, 思贝 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sibei | China, South Africa, Spain, United States, India |
| 思贝 | China |