Family name Kí Ức (Kí Ức 
) , in all the world, is a very rare surname. The last name Kí Ức is characteristic of South-eastern Asia, particularly Vietnam, where it is a very rare surname. More frequently, Kí Ức is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kí Ức | Vietnam, Japan |