Family name 铭忠 (铭忠 
) , in all the world, is a rare cognomen. The last name 铭忠 is habitual in Eastern Asia, particularly China, where it is a very rare surname. More prevalently, 铭忠 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 铭忠 | China |