Around the globe, 忠瑚 (忠瑚 
) is a very rare male first name. The forename 忠瑚 is habitual in Eastern Asia, particularly China, where it is an extremely rare male name. Much less frequently, 忠瑚 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 忠瑚 | China |