| Full Name | Chou Tzuyu |
| Stage Name | Tzuyu |
| Native Name | 周子瑜 |
| Birthday | June 14, 1999 |
| Age | 25 years and 7 months old |
| Zodiac Sign | Gemini |
| Birthplace | East District, Tainan, Taiwan |
| Height | 5’7″ (170 cm) |
| Weight | 105.8 lbs (48 kg) |
| Blood Type | A |
| MBTI | ISFP-A |
| Education | Hanlim Multi Art High School |
| Languages | Mandarin, Taiwanese, Korean, Japanese, English |
| Group | TWICE |
| Social Media | Instagram: [@thinkaboutzu] |