Surname Ky-Onna (Ky-Onna 
) , in all the world, is an extremely rare last name. Much more prevalently, Ky-Onna is the forename as well as the last name. Parts of the name also exists independently as a last name Ky, and a last name Onna.
| VARIANT | COUNTRY |
|---|---|
| Ky-Onna | United States |