| Full Name | Kim Na Yun |
| Stage Name | Nayun |
| Native Name | 김나윤 |
| Birthday | July 31, 1998 |
| Age | 26 years and 11 months old |
| Zodiac Sign | Leo |
| Birthplace | Seoul, South Korea |
| Height | 5’6″ (167 cm) |
| Weight | 105.8 lbs (48 kg) |
| Blood Type | AB |
| MBTI | – |
| Education | Seoul School of Performing Arts |
| Languages | Korean |
| Group | MOMOLAND (2016-2023, 2025-present) |
| Social Media | Instagram: [@nayun_nannie] |