| Jung Jeong-Soo | |
| Fullname: | Jung Jeong-Soo |
| Birth Date: | 20 November 1969 |
| Birth Place: | South Korea |
| Position: | Midfielder |
| Youthclubs1: | Korea University |
| Years1: | 1994–2003 |
| Clubs1: | Ulsan Hyundai Horangi |
| Caps1: | 170 |
| Goals1: | 23 |
| Years2: | 2008 |
| Clubs2: | Gyeongju Citizen FC |
| Manageryears1: | ? |
| Manageryears2: | 2008– |
| Managerclubs1: | Ulsan Nongseo Elementary School |
| Managerclubs2: | Gyeongju Citizen FC (Player coach) |
| Pcupdate: | 17 August 2011 |
| Ntupdate: | 17 August 2011 |
| Hangul: | 정정수 |
| Hanja: | ! |
| Mr: | Chŏng Chŏngsu |
| Rr: | Jeong Jeong-su |
Jung Jeong-Soo (born November 20, 1969) is a South Korean footballer.
He graduated from Korea University. He was the K-League Top Assistor of 1998 season.