KDX (Korean Destroyer eXperimental) is a substantial shipbuilding program embarked on by the Republic of Korea Navy.
It is a three-phased program consisting of three individual classes of ships:
Gwanggaeto the Great class destroyer (KDX-I)
| Name | Number | Builder | Launched | Commissioned | Decommissioned | Status | 
| Gwanggaeto the Great | DDH-971 | Daewoo Heavy Industries | 28 October 1996 | July 24 1998 |  | Active | 
| Eulji Mundeok | DDH-972 | Daewoo Heavy Industries | 16 October 1997 | 30 August 1999 |  | Active | 
| Yang Manchun | DDH-973 | Daewoo Heavy Industries | 30 September 1998 | 29 June 2000 |  | Active | 
Chungmugong Yi Sun-shin class destroyer (KDX-II)
| Name | Number | Builder | Launched | Commissioned | Decommissioned | Status | 
| Chungmugong Yi Sun-sin | DDH-975 | Daewoo Shipbuilding & Marine Engineering | 15 May 2002 | 30 November 2003 |  | Active | 
| Munmu the Great | DDH-976 | Hyundai Heavy Industries | 11 April 2003 | 30 September 2004 |  | Active | 
| Dae Jo-yeong | DDH-977 | Daewoo Shipbuilding & Marine Engineering | 12 November 2003 | 30 June 2005 |  | Active | 
| Wang Geon | DDH-978 | Hyundai Heavy Industries | 4 May 2005 | 10 November 2006 |  | Active | 
| Gang Gam-chan | DDH-979 | Daewoo Shipbuilding & Marine Engineering | 16 March 2006 | 1 October 2007 |  | Active | 
| Choe Yeong | DDH-981 | Hyundai Heavy Industries | 20 October 2006 | 4 September 2008 |  | Active | 
Sejong the Great class destroyer (KDX-III)
| Name | Number | Builder | Launched | Commissioned | Decommissioned | Status | 
| Batch I | 
| Sejong the Great | DDG-991 | Hyundai Heavy Industries | 25 May 2007 | 22 December 2008 |  | Active | 
| Yulgok Yi I | DDG-992 | Daewoo Shipbuilding & Marine Engineering | 14 November 2008 | 31 August 2010 |  | Active | 
| Seoae Yu Seong-ryong | DDG-993 | Hyundai Heavy Industries | 24 March 2011 | 30 August 2012 |  | Active | 
| Batch II | 
| Jeongjo the Great | DDG-995 | Hyundai Heavy Industries | 28 July 2022 |  |  | Launched | 
| TBA | TBA | TBA |  |  |  | Planned | 
| TBA | TBA | TBA |  |  |  | Planned |