Republic of Korea Navy and the Agency for Defense Development (ADD) of South Korea have been developing naval weaponry with local defense companies.
| Name | Origin | Type | Commissioned | Versions | Number/Aadapted for use | Manufacturer | Notes |
|---|---|---|---|---|---|---|---|
| Mark 44 | United States | (324mm), lightweight torpedo | 1970s | ? | United States General Electric | retired? | |
| KT-75 (Sangeo) | Republic of Korea | (324mm), lightweight torpedo | uncommissioned | - | - | - | Mark 44 copy(Designed 1975~76) |
| K-744 | Republic of Korea/ United States | (324mm), lightweight torpedo | 1986~ | 00?/FFK, Lynx/Super Lynx,P3C | Republic of Korea LG Precision Co. Ltd(Now LIG nex1) | The ADD had commenced negotiations with Honeywell for the co-development | |
| Cheongsangeo (Blue Shark) | Republic of Korea | (324mm), lightweight torpedo | 2005~ | K745 | 00?/FFK, KDX-1,2,3, Lynx/Super Lynx,P3C | Republic of Korea LG Precision Co. Ltd(Now LIG nex1) | Indigenous system |
| SUT (Surface and Underwater Target) | Germany | (533mm), heavyweight torpedo | 1992~ | Mod 2 | 00? | Germany AEG | export version of DM1 Seeschlange[1] |
| Baeksangeo (White Shark) | Republic of Korea | (483mm), heavyweight torpedo | 2000~ | K731 | 00? /Chang Bogo class | Republic of Korea LG Precision Co. Ltd(Now LIG nex1) | - |
| Hongsangeo (Red Shark) | Republic of Korea | anti-submarine rocket (ASROC) | 2011~ | n/a | Republic of Korea LG Precision Co. Ltd(Now LIG nex1) | - | |
| MBDA Sea Skua (Flying Shark) | United Kingdom | Helicopter Launched Light Anti-Ship Missile | 1996~ | n/a | Westland Lynx/Super Lynx | United Kingdom MBDA Missile Systems | |
| Hyeonmu III | Republic of Korea | cruise missile | 2008~ | Hyeonmu IIIA | Republic of Korea LG Precision Co. Ltd(Now LIG nex1) | Hyeonmu IIIB & Hyeonmu IIIC under development | |
| MBDA Exocet | France | anti-ship missile | 1975~ | MM38 | 50/FFK | MBDA Missile Systems | retired? |
| Harpoon | United States | anti-ship missile | 1977~ | AGM-84A/C/D/G | 000?/FFK,KDX-1, Chang Bogo class | United States Boeing | Slowly being retired. |
| Haeseong | Republic of Korea | anti-ship missile | 2004~ | SSM-700K | 000?/KDX-2,3 | Republic of Korea LG Precision Co. Ltd(Now LIG nex1) | Designed 1996-2003 |
| RAM (Rolling Airframe Missile) | United States | surface-to-air missile | 2002~ | RIM-116 | 00?/KDX-2,3, Dokdo(LPH) | Republic of Korea LG Precision Co. Ltd(Now LIG nex1) | Products Under License |
| Sea Sparrow | United States | anti-aircraft missile | 1998~ | RIM-7 | 00?/KDX-1 | - | |
| SM-2 | United States | surface-to-air missile | RIM-66 | 00?/KDX-2,3 | - | ||
| KDCOM-I,II | Republic of Korea/ United Kingdom | Combat Management System | 9?/KDX-1,2 | Republic of Korea Samsung | The samsung had commenced negotiations with BAE Systems for the co-development | ||
| Nobong | Republic of Korea | 40mm TWIN NAVAL GUN | 1980s~ | 40L70K | 000?/ Patrol (corvettes and patrol vessels), Auxiliary | Republic of Korea Daewoo Heavy Industries(Now Doosan DST) | - |
| Mk45 (5-Inch/54-caliber) | United States | 127mm Naval gun | KMK45(Mod 4) | 00?/KDX-2,3,FFK | Republic of Korea Hyundai Wia(Formerly Known as Kia Special Steel Co., Ltd) | Products Under License |