Yoon-jung, also spelled Yoon-jeong, Youn-jeong, or Yun-jeong, is a Korean given name.
People with this name include:
Huh Yoon-jung (born 1936), South Korean male footballer
Lily Lyoonjung Lee (born 1969), South Korean-born American female figure skater
Cho Youn-jeong (born 1969), South Korean female archer
Cho Yoon-jeong (born 1979), South Korean female tennis player
Jang Yoon-jeong (singer) (born 1980), South Korean female trot singer
Yoonjung Han (born 1985), South Korean-born American female pianist
Jang Yoon-jeong (Miss Korea) (born 1987), South Korean female model
Marissa Brandt (born Park Yoon-jung, 1992), South Korean-born American female ice hockey player
Jin Se-yeon (born Kim Yoon-jung, 1994), South Korean female actress
Fictional characters with this name include:
Yoon-jeong, female character in 2006–2007 South Korean television series Hearts of Nineteen
Shin Yun-jeong, female protagonist of 2008 South Korean film Portrait of a Beauty
Go Yoon-jung, female protagonist of 2016 South Korean television series Mrs.