Kpop Boys

Hongseok (PENTAGON Member) Age, Bio, Wiki, Facts & More


Hongseok (홍석) is a member of the South Korean Kpop Boy group named PENTAGON (펜타곤). Group consists of 9 male members: Hui, JinhoHongseokShinwon, Yanan, Yeo One, Yuto, Kino, and Wooseok. Pentagon was created through the Mnet survival show called Pentagon Maker. The band debuted on October 10, 2016. The group is under CUBE Entertainment.

His stage name is Hongseok (홍석). His birth name is Yang Hong Seok (양홍석). He was born on April 17, 1994. His age is 27 years old as of 2021. He is Korean by Nationality. His Zodiac sign is Aries. His Chinese zodiac is N/A.

He is the Main Vocalist of the group.

Check out and follow Hongseok’s Social Media accounts:

Instagram: N/A

Twitter: N/A

Early Life:

He was born in San Diego, Madison (Wisconsin).

He lived in Singapore from age 7-8 years old to age 15-16 years old, and in China.

He lived outside Korea for a total of 11 years.

He completed his education at Hwa Chong International School (Singapore 2007 – 2010), Tianjin Nankai High School (China), University of International Business and Economics in Beijing.

Physical Appearance:

He is young, smart, and handsome. He is popular among youths. His looks make him look younger than his actual age. He has black eyes and brown hair. 

His height is 178 cm (5’10”) and his weight is 68 kg (150 lbs). His blood group is A.

Family, Religion & Girlfriends:

He has an older brother named Junseok.

Not Much is known about her family and her personal Relationship.


  • He speaks  Korean, Chinese, English.
  • His nicknames are Yang Jr, Hongseokkie, and Honggie.
  • He participated in the “Ice Bucket Challenge”, and The “Miracle365 x Ice Bucket Challenge Run to raise money for ALS..
  • He is the best cook in the group.
  • He appeared in the movie “The Love That’s Left”.
  • He was in the tv series “Best Chicken” as Bae Ki-Beo.
  • He appeared in one of Jinho‘s “Magazine Ho” videos, where they sang “Lay Me Down” by Sam Smith.
  • His hobbies include reading books and studying languages.
  • He assisted in writing the Pentagon songs “Find Me”, “Round 1”, and “Round 2”.
  • He is a former YG Entertainment trainee.
  • He was a contestant on YG’s show “MIX&MATCH”.
  • His position in Pentagon was Lead Vocalis
  • He really likes watching the show “Radio Star”.
  • He is also a cast member of the show Real Men 300.

Dramas :

  • One the Campus” as Hee-Yeol
  • Anniversary Away” as Hong Woojae

Shows :

  • Tour Avatar
  • Idol Tour
  • Just Happened
  • Visiting Teachers
  • Hit Man
  • Battletrip
  • Idol Cooking Class

Hongseok Favorites :

  • His favorite superhero is Iron Man.
  • His favorite song is “Love Me Better” by James Blunt.

Check out Pentagon group Social Media Accounts below:


Official Website:

Twitter: @cube_ptg

Twitter (Staff): @cube_ptg_staff

Twitter (Japan): @CUBE_PTG_JAPAN

Instagram: @cube_ptg

Facebook: PENTAGON

Youtube: PENTAGON 펜타곤 

Youtube (Japan): PENTAGONVEVO

V Live: Pentagon

Fan Cafe: cube-pentagon

TikTok: @official_ptg

PENTAGON Fandom Name: Universe

PENTAGON Official Fan Color: UniNavy

Pentagon Current Dorm Arrangement:

  • Hui, Jinho, Hongseok, Shinwon, Yuto, Kino, Wooseok (all single rooms)
  • Yeo One & Yanan

Check out the groups 펜타곤(PENTAGON) – ‘데이지(Daisy)’ Official Music Video :