Surname Iwei (Iwei 
) , around the globe, is a rare cognomen. The surname Iwei is characteristic of Taiwan, where it is a rare surname, China, where it is a very rare surname, and Malaysia. More frequently, Iwei is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Iwei | China, Taiwan, Cambodia, United States, France |
| peter iwei Papua New Guinea politician, PG (b. 1965) |
|