Jeong Yu-mi is a South Korean actress. She is best known for starring in Rooftop Prince, Six Flying Dragons, and Partners for Justice.

Jeong Yu-mi made her entertainment debut in a Lotte Xylitol chewing gum commercial in 2003. After playing minor roles in several TV series and movies, she became a household name when she portrayed a gentle girlfriend in A Thousand Days' Promise (2011) and a scheming secretary in Rooftop Prince (2012).^{[2][3][4][5][6][7]}

Having previously appeared in the Chinese drama Five Star Hotel (2007), Jeong starred opposite Leon Lai and Gao Yuanyuan in the Chinese film Nobleman's Path (2012).^[2][8]

She was cast in the revenge manhwa-turned-TV series City Conquest, but the project was eventually cancelled after it couldn't secure a timeslot.^[9] Instead, Jeong starred in the family drama Wonderful Mama (2013) in her first leading role.^[10]

In September 2013, she joined the season 4 cast of dating reality show We Got Married, where she was paired with singer Jung Joon-young.^[11] She later appeared in the music video for Jung's single "The Sense of an Ending."^[12] The same year, she was cast in her first big screen leading role for the horror film Tunnel 3D.^[13]

Jeong next headlined the daily drama Mother's Garden (2014) and period drama More Than a Maid (2015).^[14][15][16] She then took on a supporting role in the historical drama Six Flying Dragons.^[17]

In 2016, Jung was cast as the female lead in revenge drama The Master of Revenge.^[18] In 2017, she headlined the weekend drama Bravo My Life.^[19]

In 2018, Jung was cast in the crime drama Partners for Justice as a rookie prosecutor.^[20] She next starred in the medical exorcism drama Priest.^[21]

In July 2021, Jung signed a contract with Mystic Story.^[22]

On February 4, 2020, it was confirmed that Jung is in a relationship with singer Kangta.^[23]