Yang Hongseok
- Full/Birth Name:
- Yang Hongseok
- Korean Name:
- 양홍석
- Group:
- Pentagon
- Position:
- Lead Vocalist
- Birthday:
- Apr 17, 1994 (31 years old)
- Stan Rank:
- 137th
- Origin:
- South Korea
Hongseok is a vocalist in PENTAGON. He is recognized for his strong vocal ability and charismatic stage presence.