| Birth Name | Kim Da-hyun (김다현) |
| Stage Name | Dahyun (다현) |
| Birthday | May 28, 1998 |
| Nationality | South Korean |
| Height | 165 cm |
| Weight | 48.9 kg |
| Blood Type | O |
| MBTI | ISFJ-T |
| Group | TWICE |
| Company | JYP Entertainment |
| Position | Lead Rapper, Sub-Vocalist |
| Zodiac Sign | Gemini |
| Chinese Zodiac Sign | Tiger |