Family name Juknis (Juknis 
) , around the globe, is a very rare last name. The last name Juknis is habitual in Lithuania, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Juknis | Lithuania, United States |
| kęstutis juknis LT (b. 1959) |
|