Yeo One
- Full/Birth Name:
- Yeo Changgu
- Korean Name:
- 여창구
- Native Name:
- Yeo Changgu
- Group:
- Pentagon
- Position:
- Lead Vocalist
- Birthday:
- Mar 27, 1996 (29 years old)
- Height:
- 179 cm (5ft 10in)
- Weight:
- 60 kg (132 lbs)
- Stan Rank:
- 137th
- Origin:
- Daejeon, South Korea
Yeo One is a lead vocalist of PENTAGON. He brings melodic strength to the group's performances.