Family name Tsuei (Tsuei 
) , around the world, is a rare cognomen. The last name Tsuei is habitual in Taiwan, where it is a rare surname, Hong Kong, and Singapore. Measured by absolute frequency, this name is the most popular in the United States, Taiwan, and Australia. More prevalently, Tsuei is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tsuei | Australia, Canada, United States, Taiwan, Japan |
| y-s tsuei researcher (ORCID 0000-0002-8495-5458) |
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| daw-jen tsuei researcher |
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