Worldwide, 竣瑛 (竣瑛 
) is a very rare gender-neutral first name. The forename 竣瑛 is habitual in Eastern Asia, particularly China, where it is an extremely rare unisex name. Much less frequently, 竣瑛 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 竣瑛 | China |