Surname Juknelis (Juknelis 
) , around the world, is a rare family name. The cognomen Juknelis is characteristic of Lithuania, where it is quite a rare surname, Argentina, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Juknelis | United Kingdom, United States, Argentina, Lithuania |