| Jung Jae-hoon | |
| Position: | Pitcher |
| Bats: | RIght |
| Throws: | Right |
| Birth Date: | 1 January 1980 |
| Debutleague: | KBO |
| Debutyear: | 2003 |
| Debutteam: | Doosan Bears |
| Finalleague: | KBO |
| Finaldate: | August 3 |
| Finalyear: | 2016 |
| Finalteam: | Doosan Bears |
| Statleague: | KBO |
| Stat1label: | Win–loss record |
| Stat1value: | 35–44 |
| Stat4label: | Saves |
| Stat4value: | 139 |
| Stat2label: | Earned run average |
| Stat2value: | 3.14 |
| Stat3label: | Strikeouts |
| Stat3value: | 677 |
| Teams: | |
| Hangul: | 정재훈 |
| Hanja: | 鄭載勳 |
| Rr: | Jeong Jae-hun |
| Mr: | Chŏng Chae-hun |
Jung Jae-hoon (; born January 1, 1980, in Seoul, South Korea) is a South Korean pitcher who played for the Doosan Bears in the Korea Baseball Organization.[1]