In the entire world, Tzu-En (Tzu-En 
) is an extremely rare unknown gender forename. Much less frequently, Tzu-En is the last name as well as the forename. Parts of the name also exists independently as a last name Tzu, and a last name En.
| VARIANT | COUNTRY |
|---|---|
| Tzu-En | Japan, United States, Malaysia |
| tzu-en chien researcher |
|
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| tzu-en kao researcher |
|
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| tzu-en lin researcher |
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