It was the only one out of the top five surnames (the others being Kim, Park, Lee, and Choi) for which the Revised Romanization spelling was used by more than a few percent of applicants.
[2] Rarer alternative spellings (the remaining 5.2%) included, in order of decreasing frequency, Joung, Cheong, Chong, Jeoung, Jeung, Choung, Jong, Cheung, Juong, Jeng, Chyung, Jaung, Jueng, and Zheng.
Historically, 鄭 was officially written as Tyeng (뎡) In the 2015 South Korean census, 2,010,117 people (4.16%) and 626,265 households had this family name.
[1] Some examples of these clans are Dongnae, Gyeongju, Jinju, Yeonil, Hadong, Naju, Chogye, Cheongju and Haeju.
The following is a list of notable people in recent history with the Korean family name Jung or any of its variants.