Cognomen 盟闳 (盟闳 
) , throughout the world, is a very rare last name. The family name 盟闳 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 盟闳 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 盟闳 | China |