| Birth Name | Yang Jeong-in (양정인) |
| Stage Name | I.N (아이엔) |
| Birthday | February 8th, 2001 |
| Nationality | Korean |
| Height | 172 cm |
| Blood Type | A |
| MBTI | INFJ |
| Group | Stray Kids |
| Company | JYP Entertainment |
| Position | Vocalist**, Maknae |
| Zodiac Sign | Aquarius |
| Chinese Zodiac Sign | Snake |
| Representative Animal | Fennec Fox |