Kim Se-jeong Height, Weight, Age, Body Statistics

Kim Se-jeong is a South Korean singer, actress, and theatre artist who is known for being a former member of the girl group I.O.I as well as for being a member of Gugudan and its subgroup Gugudan SeMiNa. She has also branched out as an actress and has been a part of projects like The Sound of Your Heart, I Wanna Hear Your Song, Phenomenal Rumor/Wonderful Rumor, and School 2017.

Born Name

Kim Se-jeong

Nick Name


Sun Sign


Born Place

Gimje, North Jeolla, South Korea



Kim Se-jeong studied practical music at Hanyang Women’s University located in Haengdang-dong, Seongdong-gu in Seoul.


Actress, Singer, Theatre Artist


  • Sibling – She has an older brother.


Kim Se-jeong is represented by Jellyfish Entertainment.






Jellyfish Entertainment, YMC Entertainment, Swing Entertainment, Studio Blu




5 ft 5 in or 165 cm


48 kg or 106 lbs

Race / Ethnicity


Kim Se-jeong is of South Korean descent.

Hair Color

Dark Brown

Eye Color

Dark Brown

Sexual Orientation


Distinctive Features

  • Often sports forehead bangs
  • Lean physique

Kim Se-jeong Facts

  1. She was quite young when her family moved to Anyang, Gyeonggi where she stayed with her mother and older brother at her aunt’s house.
  2. After her parents split up, her mother raised Kim Se-jeong and her brother as a single mother and Kim Se-jeong did not contact her father until her 3rd year of middle school.
  3. She won a writing competition when she was 18 years old.
  4. Kim Se-jeong has released many songs like Flower Way, Star Blossom, If Only, Plant, and I Like You, I Don’t.
  5. She brought to life the character of Ra Eun-ho, an 18-year-old student who is low-ranked but optimistic and dreams of studying to become a webtoon artist, in the teen coming-of-age romantic comedy show, School 2017, in 2017. She co-starred in the show alongside Kim Jung-hyun, Jang Dong-yoon, Han Sun-hwa, and Han Joo-wan.
  6. Her performance in School 2017 won her the 31st KBS Drama Award in the “Best New Actress” category and was also nominated for the 10th Korea Drama Award and 1st The Seoul Award.
  7. Kim Se-jeong appeared as Hong Yi-young in the 2019 romantic comedy mistery television series, I Wanna Hear Your Song, and this role got her nominated for the 33rd KBS Drama Awards for “Excellence Award, Actress in a Miniseries” and “Best Couple Award (with Yeon Woo-jin)”.
  8. Her credits as a theatre artist include having been cast as Haesung in Return in 2020.
  9. On March 17, 2020, Kim Se-jeong released her first extended play, Plant, through Jellyfish Entertainment and it was ranked at number #4 on the Gaon Album Chart.
  10. Her hobbies include singing, painting, re-watching movies, and listening to music.
  11. She considers singer-songwriter and actress as her role model.

Featured Image by Kim Se-jeong / Instagram


Facts of Kim Se-jeong

  • full nameKim Se-jeong
  • Date of Birth August 28, 1996
  • Age 27 years 10 months
  • Horoscope Virgo
  • Lucky Number 7
  • Lucky Stone Sapphire
  • Lucky Color Green
  • Best Match for Marriage Taurus, Capricorn
  • weight48 kg
  • height5 ft 5 in

Written by Joel S. Elkins

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