Yoo Jeong-yeon
Known For: Acting
Gender: Female
Date of Birth: November 1, 1996 (28 years old)
Place of Birth: Suwon, Gyeonggi, South Korea
Yoo Jeong-yeon (유정연; born November 1, 1996), known professionally as Jeongyeon (정연), is a South Korean singer under JYP Entertainment. She is a member of the South Korean girl group TWICE.