Family name Ký Ức (Ký Ức 
) , around the globe, is a very rare cognomen. The family name Ký Ức is characteristic of South-eastern Asia, particularly Vietnam, where it is a very rare surname. More frequently, Ký Ức is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ký Ức | Japan, Vietnam |