| Dang Seong-jeung | |
| Fullname: | Dang Seong-jeung |
| Birth Date: | 4 January 1966 |
| Birth Place: | South Korea |
| Position: | Midfielder |
| Years1: | 1990–1991 |
| Caps1: | 1 |
| Goals1: | 0 |
| Manageryears1: | 2005–2008 |
| Managerclubs1: | Ulsan Hyundai U-15 |
| Manageryears2: | 2009 |
| Managerclubs2: | Ulsan Hyundai (coach) |
| Manageryears3: | 2010–2011 |
| Managerclubs3: | Daegu FC (coach) |
| Manageryears4: | 2011–2012 |
| Managerclubs4: | Daegu FC (assistant) |
| Manageryears5: | 2013 |
| Managerclubs5: | Daegu FC |
| Manageryears6: | 2014-2019 |
| Managerclubs6: | Cheonan City FC |
Dang Seong-jeung (; born 4 January 1966) is a retired South Korean footballer and coach. On 29 November 2012, he was appointed manager of Daegu FC.[1]