Seo Rina is a South Korean fitness model, actress, and entrepreneur known for her work in independent films, music videos, and fitness competitions. She first gained public attention through modeling and bikini competitions before transitioning into acting and later expanding into business and international modeling projects. With a background that mixes athletic achievement, screen appearances, and entrepreneurial ventures, she has maintained a presence in both mainstream and niche entertainment circles.
Seo Rina was born on September 8, 1988, in South Korea (Busan is noted in some records). As , she is 37 years old. Her zodiac sign is Virgo, and she holds South Korean nationality.
Personal Details
| Full Name | Seo Rina (서리나) |
| Real Name | Lee Eun-seol-ju (이은설주) |
| Profession | Fitness Model, Actress, Entrepreneur |
| Date of Birth | 8 September 1988 |
| Age | 37 |
| Birthplace | South Korea (Busan area noted in some sources) |
| Nationality | South Korean |
| Friends | Kim Yoo-mi (김유미) |
| Zodiac Sign | Virgo |
| Current Residence | South Korea |
| Qualification | Dong-A University (Business Administration); Suwon University Graduate School (Drone Industrial Engineering, Master’s) |
| Height | 170 cm |
| Blood Type | B |
| MBTI | ENTJ (self-reported) |
Career
Seo Rina began her public career as a fitness model. In 2016 she achieved notable results in bodybuilding and bikini competitions, including first place in the women’s division at the ISMC Muscle Body Korea International Awards and third place in the bikini division at the NABBA Korea WFF Championship. She became known for competing without heavy tanning, which stood out in the fitness scene.
She made her acting debut in 2016 with a supporting role as a public health center director in the film Under the Sky Without a Mother (also referred to as The World Without a Mother). The same year she had a bit part in Derailed (Two Men) and a guest appearance in the drama Cinderella and the Four Knights. In 2018 she took a leading role as Ha Na in the film Deep.
She also appeared in music videos, including Jay Park’s “Mommae” (2015), Sleepy’s “iD” (2018), and a track by Hyungdon and Daejun. On television she made special appearances on Comedy Big League and participated in variety programs such as Gaza Expedition and Meet at the Shop.
In later years she continued film work, with leading roles reported in 2025 projects including Saigon Sunset (as Lee Se-mi) and Dead Again / Tropical Night (as Yoon Mi-mi). She has also been involved in modeling, including gravure work in Japan under the name RINA, and has pursued business activities.
Physical Appearance
| Height | 170 cm (5 feet 7 inches) |
| Weight | Approximately 49 kg (108 lbs) |
| Eye Color | Brown |
| Hair Color | Black / Dark brown |
| Body Type | Athletic / Slim-fit (fitness model physique) |
Drama List
Selected Films
- Under the Sky Without a Mother (2016) – Public health center director (supporting)
- Derailed / Two Men (2016) – Lotteria slender woman (bit part)
- Deep (2018) – Ha Na (lead)
- Saigon Sunset (2025) – Lee Se-mi (lead)
- Dead Again / Tropical Night (2025) – Yoon Mi-mi (lead)
Selected Television & Other
- The Dearest Lady (2015) – Guest role
- Cinderella and the Four Knights (2016) – Hyun-min’s girlfriend (guest, episode 1)
- 29gram (2017) – Da Hye-han (supporting)
- Special appearances on Comedy Big League (2017)
- Variety: Gaza Expedition (2018), Meet at the Shop (2019)
Music Videos
- Jay Park – “Mommae” (2015)
- Sleepy – “iD” (2018)
- Hyungdon and Daejun – related track (2018)
FAQs
What is Seo Rina’s age ?
She is 37 years old (born September 8, 1988). Earlier reports sometimes listed 1992, but this has been corrected.
What is Seo Rina’s real name?
Her real name is Lee Eun-seol-ju.
What is Seo Rina known for?
She is known as a fitness model who won awards in 2016 bikini and muscle competitions, and as an actress in films such as Deep (2018) and later projects including Saigon Sunset and Dead Again (2025).
What is Seo Rina’s height?
She is 170 cm (approximately 5 feet 7 inches) tall.
Did Seo Rina study drones?
es. She completed a master’s degree in Drone Industrial Engineering at Suwon University.
Has Seo Rina worked internationally?
Yes. She has undertaken modeling work in Japan under the name RINA.