In the entire world, Nhiên (Nhiên 
) is a rare unisex first name. The first name Nhiên is characteristic of South-eastern Asia, particularly Vietnam, where it is a rare epicene name. More prevalently, Nhiên is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Nhiên | Vietnam, United States, Australia |
| nguyễn tất nhiên Vietnamese poet, VN (b. 1952) |
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| phan thanh nhiên Vietnamese actor, VN (b. 1985) |
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