K-pop Idols Born on December 31

1 K-pop idol member born on December 31: Sophia Laforteza (KATSEYE). Birth year, current age and the countdown to the next birthday.

• D-64 Sophia Laforteza KATSEYEborn 2002 · turns 24 in 2026 · 소피아 · KATSEYE · LE SSERAFIM X ILLIT X KATSEYE

Birthdays on nearby dates

• 12/28 Bae
• 12/29 Wang Yiren
• 12/30 V·Joshua Hong +1
• 1/1 Qian Kun·Winter
• 1/3 Jisoo·Juhoon

‹ December 30 All December birthdays January 1 ›

Birthdays come from Wikidata and are listed only when the full date is recorded. Current members only; members without a confirmed birthday and virtual idols are not included. Ages are international (full) ages, and dates follow Korea time.