| Birth Name | Park Ji-soo (박지수), legalized to Park Ji-hyo (박지효) |
| Stage Name | Jihyo (지효) |
| Birthday | February 1, 1997 |
| Nationality | South Korean |
| Height | 162 cm |
| Weight | 56 kg |
| Blood Type | O |
| MBTI | ESTP |
| Group | TWICE |
| Company | JYP Entertainment |
| Position | Leader, Main Vocalist |
| Zodiac Sign | Aquarius |
| Chinese Zodiac Sign | Rat |