Yoo Jeong-yeon (Hangul: 유정연, originally named Yoo Kyung-wan) better known by her first name, Jeongyeon (Hangul: 정연), is a South Korean singer. She is a member of the girl group, Twice, as a lead vocalist of the group.

Life and career

Jeongyeon was born on November 1, 1996 in Suwon, South Korea and was given the name Kyung-wan, at birth, due to being teased as a child, for this sounding like a boy's name, she legally changed her name to Jeong-yeon in the third grade. Her father is Yoo Chang-joon, who works as a chef, her mother's identity has not been revealed to the public. Jeongyeon has two older sisters, the eldest one is known professionally as Gong Seung-yeon and is an actress, the second eldest is named Yoo Seo-yeon and is an office worker.

Jeongyeon trained to become a singer from a young age, and also learnt to play the trumpet and saxophone.

Jeong-yeon joined JYP Entertainment in JYP Entertainment's 6th Open Audition on March 1, 2010. Like Nayeon, Jihyo and Sana, JYP originally planned her to become a member of a girl group named 6Mix, but their debut was unfortunately cancelled.

Jeongyeon made her breakthrough in 2015 as a contestant on the reality girl group survival show Sixteen and was finally chosen as a member of Twice.

In 2014, she appeared with Nayeon in the music video of Got7's "Girls Girls Girls" and, in 2015, appeared in miss A's "Only You" music video. She and her sister were the hosts of Inkigayo from July 3, 2016 to January 22, 2017. Jeongyeon won the Female Rookie Award at the 2016 SAF SBS Entertainment Awards.


Televison Shows

Music video appearances



  • Participated in JYP Nation concert theme song - ENCORE. (2016)
  • Gong Seung Yeon + Jeongyeon - Like A Star ("My Dream Class" movie)


◯ = Participates as writing/composer/producer, ✖ = Not participated as writing/composer/producer

Twice Discography

Album Song Writing Composer Producer Ref.
Twicetagram Love Line
What Is Love? Sweet Talker
Yes Or Yes Lalala
Feel Special 21:29
More & More Sweet Summer Day


Video Gallery

Community content is available under CC-BY-SA unless otherwise noted.