Kim Se-jeong is a South Korean singer and actress best known as a member of the girl group Gugudan and the project group I.O.I. Born on August 28, 1996, in Gimje, South Korea, she rose to fame through the survival show Produce 101 and has since established herself as a popular K-pop idol and actress.
Standing at 5 ft 4.5 in (1.64 m), Se-jeong is known for her bright personality and versatile talent, having appeared in dramas like School 2017, The Uncanny Counter, and Business Proposal. She has a significant fanbase across Asia.
Quick Facts
| Full Name | Kim Se-jeong |
| Date of Birth | August 28, 1996 |
| Age | 30 |
| Birthplace | Gimje, South Korea |
| Profession | Singer, Songwriter, Actress |
| Height | 5 ft 4.5 in (1.64 m) |
| Nationality | South Korean |
| Zodiac Sign | Virgo |
| Relationship | Single (as of 2026) |
| Net Worth | Estimated $5-7 million |
| Social Media |
More Facts About Kim Se-jeong
1. She was a trainee under Jellyfish Entertainment before debuting with Gugudan in 2016.
2. She finished 11th in Produce 101 season 1, forming the project group I.O.I.
3. Her group Gugudan had several hit songs including “Na Na Na” and “Really Really.”
4. She starred in the drama School 2017 as Ra Eun-young, gaining widespread recognition.
5. She appeared in the Netflix series The Uncanny Counter as Yoo Jun-hee.
6. She played a lead role in the romantic comedy drama Business Proposal.
7. Her estimated net worth ranges from $5 to $7 million from her various ventures.
8. She graduated from Hanyang Women’s University.
9. Her blood type is AB and she was born under the Virgo zodiac sign.
10. She maintains a popular Instagram account with her fans.
Check out Kim Se-jeong’s latest posts on Instagram.
Last updated: August 29, 2026 — Birthday post for Kim Se-jeong.
