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