Cognomen Hyun-Il (현일 
, Hyun-Il 
) , in all the world, is an extremely rare surname. The family name Hyun-Il is habitual in Northern America, particularly Canada, where it is an extremely rare surname. Predominantly, Hyun-Il is the forename as well as the last name. Parts of the name also exists independently as a last name Hyun, and a last name Il.
| VARIANT | COUNTRY |
|---|---|
| 현일 | South Korea |
| Hyun-Il | Canada |