
Birthday
1996/08/28 (29 years old)
Gender
Female
Place of Birth
Gimje, North Jeolla, South Korea
Also know as
김세정, 세정, Sejeong, Kim Sejung, Sejung kim, Se-jeong Kim, 金世正, キム・セジョン, کیم سه جونگ, کیم سه-جونگ
Sejeong (세정) is a South Korean singer-songwriter and actress signed under Jellyfish Entertainment. After coming into prominence as the runner-up on the hit idol competition show “Produce 101,” she debuted in 2016 as a solo artist and member of now-disbanded girl groups I.O.I and Gugudan. In 2017, she was cast in her first leading drama role in KBS’s “School 2017.”

(2022) SEOUL FESTA 2022 K-POP SUPER LIVE
as MC

(2017) I.O.I - "Time Slip" Concert
as Sejeong

(2021) I.5.I - Yes, I Love It!
as Sejeong

(2021) Hurrah for Independence
as Self

(2021) The Uncanny Return
as ---

(2011) Law of the Jungle
as ---

(2022) Today's Webtoon
as Oh Ma-Eum

(2022) Business Proposal
as Shin Ha-ri

(2016) The Sound of Your Heart
as Woman next door in Room 205

(2023) Universe Ticket
as Unicorn

(2016) 어서옵SHOW
as ---

(2023) The Seasons
as Self

(2023) MONSTOP Travel Agency
as self (KIM SEJEONG)

(2020) IU's Palette
as Self - Guest

(2017) School 2017
as Ra Eun-Ho

(2015) Men on a Mission
as Self

(2017) Master Key
as ---

(2018) Busted!
as Kim Se-jeong

(2018) Galileo: Awakened Universe
as ---

(2020) Clean Cam
as ---

(2018) 마이박스
as ---

(2016) Produce 101
as Herself
(2022) Lee Mujin Service
as Guest

(2019) Prison Life of Fools
as Herself

(2016) Standby I.O.I
as Kim Se-jeong

(2018) Baek Jong-won's Alley Restaurant
as Self

(2016) Let's Eat Dinner Together
as Herself

(2019) I Wanna Hear Your Song
as Hong Yi-Young

(2009) You Hee-yeol's Sketchbook
as Self

(2017) Salty Tour
as Self (Sejeong)

(2018) Amazing Saturday
as Self

(2011) SNL Korea
as Self

(2019) Where Is My Home
as ---

(2018) Idol Room
as Herself

(2010) Running Man
as ---

(2011) K-pop Star
as Self - Contestant

(2022) Office Romance Recipe
as Rani

(2016) What Are Gugudan Doing?
as Kim Se-jeong

(2024) Brewing Love
as Chae Yong-ju

(2001) MBC Entertainment Awards
as Self - MC

(2013) Home Alone
as Self

(2015) Two Yoo Project - Sugar Man
as Herself

(2020) The Uncanny Counter
as Do Ha-na

(2016) Gugudan Project: Extreme School Trip
as Herself

(2025) Moon River
as Park Dal-yi

(2018) Big Picture Family
as ---

(2016) Produce 101
as Contestant