Group Members

Jaeyoon (SF9) Profile, Bio, & Facts 

Jaeyoon (재윤) is a South Korean singer and a member of the K-pop boy group “SF9” under FNC Entertainment.

Jaeyoon (SF9) Profile

Stage Name Jaeyoon (재윤)
Birth Name Lee Jae Yoon (이재윤)
Occupation Singer
Birthday August 9, 1994
Active Years 2016–present
Age 29  (in 2023)
Zodiac Sign Leo
Height 184 cm (6’0″)
Weight 65 kg (143 lbs)
Nationality Korean
Blood Type O

Jaeyoon (SF9) Facts:

Early Life

– His place of birth is Busan, South Korea.
– He went to Daecheon Elementary and Middle School.
– He graduated from Seongji High School.
– He’s a graduate of the Dong Ah Institute of Media and Arts.

Personal Life

– He has a younger sister.
– Having lived in the countryside, he possesses the ability to distinguish poisonous plants and animals from non-poisonous ones.
– Known for his playful nature, he’s a jokester.
– He can’t drink alcohol.
– He is characterized by his cheerful and bright personality.
– His pastimes include sports and appreciating movies.
– He likes mint chocolate.
– Jaeyoon has a strong affinity for coffee, chocolate, and bread.
– Despite his outgoing nature, he has a fear of heights.
– His charming point is that he is chic. (with online)
– His favorite color is “Fantasy.”
– One of his unique skills is the ability to type without looking at the keyboard.
Hwiyoung said that Jaeyoon lives in his own world.
– He humorously considers his best trait to be his butt.
– If he were to choose a Spanish name without knowing its meaning, he would choose “Encantador” which means charming. (Hola School)
– In SF9, he is responsible for the “Honey Voice” and can sing any song with a sweet touch.
– He possesses deep dimples, which add to his charm.
– He would choose to be a swimmer if he were born again. (with online)
– In the past, he worked part-time at a spicy stir-fried chicken restaurant.
– A unique habit of his is speaking in Satoori (accent/dialect).
– He’s proficient in doing voice impressions of Louis Armstrong and Sung Si-kyung.
– His representative emoji is the chick 🐣. (Fact iN Star)
– He used to share a room in the dorm with Zuho and Youngbin.
– The living arrangements among the members reveal that he, Zuho, Dawon, Hwiyoung, and Youngbin share the same dorm, while the rest of the members reside in another.
– In the most recent dorm arrangement, he and Youngbin now share a room.
– On March 21, 2023, he began his military service in the 3rd Division of the Army as an active duty soldier.
– Jaeyoon’s ideal type is described as someone who likes Pokemon.


– He holds the position of Sub Vocalist in SF9.
– He lent his voice to sing the OST for “Girls Generation 1979,” part 1.
– He also sang the OST “Thank you, My love” for “My Only Love Song.”
– In the realm of acting, he has participated in dramas like “Click Your Heart” (2016), “Was It Love?” (2020), and “Love in Blackhole” (2021).
– He’s extended his talents to the musical stage, with appearances in “Founded” (2021), “Another Miss Oh” (2022), and “Seopyeonje” (2022).

Streaming Platform Links
Genie | Bugs | Melon

Jaeyoon (SF9) Photos

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Park Emma

I'm a big fan of K-pop, especially the group EXO, and Baekhyun is my Bias. When I'm not writing about K-pop, I enjoy reading books. Join me as I explore the world of K-pop and literature through my writing.

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