Family name 재연 (Jaeyeon 
, 재연 , Jae-Yeon ) , around the world, is a rare cognomen. The last name 재연 is characteristic of South Korea, where it is quite a rare surname, China, where it is an extremely rare surname, and the United States. More frequently, 재연 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jaeyeon | Japan, China, South Korea, United States, Canada |
| 재연 | South Korea |
| Jae-Yeon | South Korea, United States |
| Jae-Youn | Canada, United States |