All around the world, Longyan (Longyan 
) is a rare gender-neutral forename. The forename Longyan is characteristic of Taiwan, where it is a rare female name, India, where it is an extremely rare principally boy's, but very infrequently girly name, and China, where it is an extremely rare girly name. Very seldom, Longyan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Longyan | Taiwan, China, India, Thailand, Nigeria |
| longyan li researcher |
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| longyan gong researcher |
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| longyan zhao researcher |
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| longyan yuan researcher |
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