한 Sungyun Sungyun (성윤) is a South Korean Male Artist. He started in group n.SSign. Read All General Information International Stage Name : Sungyun Domestic Stage Name : Pronounce 성윤 Full Name : Jung Sungyun Pronounce Full Domestic Name : Pronounce 정성윤 Date of Birth : 2002-08-05 (age 24) Zodiac : Leo Country of Birth : South Korea Related Artists : n.SSign - Vocal,Dancer Original group : n.SSign Images