Hongseok
Pentagon · 홍석
Photo: NINE STARS · CC BY 4.0 · Wikimedia Commons ↗
- Birthday
- Apr 17, 1994
- Group
- Pentagon
- Debut
- 2016
- Agency
- Cube
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Profile
Hongseok is one of the members of Pentagon. Born on Apr 17, 1994 in Seoul. Their birth name is Yang Hong-seok. Pentagon debuted in 2016, so this is year 10 for the group. Most recently, fans got the single "Coward" on Sep 11, 2026.
- Birth name
- Yang Hong-seok
- Birthplace
- Seoul
- Teams
- Pentagon
This profile uses only details on which Wikidata and Wikipedia agree, or that an agency's official profile confirms. Tell us if something is wrong.
Yang Hong-seok, better known by the mononym Hongseok, is a South Korean singer and actor. He debuted as a vocalist of the group boy band Pentagon in October 2016. Aside from group activities as singer, he has debuted as an actor in the Korean movie, The Love That's Left.
Photos
♪ Listen
Pentagon's releases, newest first. Tap Listen to see official services, marked free, subscription or buy.
- Single2026-09-11
- Single2023-10-10
- Single2023-09-08
- EP2023-08-30
- Single2023-05-10
- EP2022-09-14
- EP2022-01-24
- Single2021-08-18
- EP2021-06-14
- EP2021-03-15
- Single2020-10-28
- EP2020-10-12
All links go to official services. Spotify works with a free account (with ads). Availability differs by country: on Korean pages we hide services that may not work in Korea (such as Deezer), and YouTube Music has no free plan in Korea.
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4 videos · 1.8M total views · as of 2026-11-15
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Birthdays and official accounts are included only when three separate sources agree. Checked on Nov 16, 2026. Tell us if something is wrong.