| Birth Name | Yoon Jeong-han (윤정한) |
| Stage Name | Jeonghan (정한) |
| Birthday | October 4, 1995 |
| Nationality | Korean |
| Height | 178 cm |
| Weight | 62 kg |
| Blood Type | B |
| MBTI | ISFJ |
| Group | SEVENTEEN |
| Company | PLEDIS Entertainment |
| Position | Lead Vocalist, Visual |
| Zodiac Sign | Libra |
| Chinese Zodiac Sign | Pig |
| Representative Emoji | 😇 |