Cognomen Ķ (Ķ 
) , globally, is a rare last name. The cognomen Ķ is habitual in Myanmar, where it is a rare surname, and India, where it is an extremely rare surname. Likewise, Ķ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ķ | India, Myanmar, Brazil, United States |