Seongil
- Full/Birth Name:
- Cho Seong-il
- Korean Name:
- 조성일
- Group:
- 82MAJOR
- Position:
- Leader, Dancer, Vocalist
- Birthday:
- Mar 29, 2004 (21 years old)
- Height:
- 184 cm (6ft 0in)
- Weight:
- 73 kg (161 lbs)
- Stan Rank:
- 136th
- MBTI:
- ESFJ
- Origin:
- South Korea
Seongil is the leader, dancer, and vocalist of 82MAJOR. He brings strong leadership and an uplifting energy to the group.