Seol Yoon-a (설윤아; born January 26, 2004), known professionally as Sullyoon (설윤), is a South Korean singer and MC under JYP Entertainment. She is a member of the girl group NMIXX.
Known For: Acting
Birthday: 2004-01-26
Place of Birth: Daejeon, South Korea
Also Known As: Seol Yoon-a, 설윤아, 설윤, NMIXX, 엔믹스, Соль Юн А, Seol Yoon A