Cognomen 盟盟 (盟盟 
) , in all the world, is quite a rare last name. The family name 盟盟 is habitual in Eastern Asia, particularly China, where it is a very rare surname. More frequently, 盟盟 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 盟盟 | China |