K-pop birthdays
K-Pop Idol Birthdays on January 21
K-pop idols who share a January 21 birthday, with member and group profile links.
January 21 birthdays
5 idols with birthdays on January 21.
| Rank | Member | Birthday | Turns | Group |
|---|---|---|---|---|
| #1 |  NayoungVocalist, Maknae | January 21, 1992 | Turns 34 | WINGS |
| #2 |  HikariMember | January 21, 2002 | Turns 24 | FANTASY BOYS |
| #3 |  WoojuVocalist, Maknae | January 21, 2004 | Turns 22 | Blitzers |
| #4 |  HyunwooMain Rapper, Main Dancer | January 21, 2001 | Turns 25 | BXB |
| #5 |  RyogaMember | January 21, 2005 | Turns 21 | KO1KEYZ |