| Gangjin | |
| Native Name Lang: | ko |
| Settlement Type: | County |
| Translit Lang1: | Korean |
| Translit Lang1 Type1: | Hangul |
| Translit Lang1 Info1: | 강진군 |
| Translit Lang1 Type2: | Hanja |
| Translit Lang1 Info3: | Gangjin-gun |
| Translit Lang1 Info4: | Kangjin-gun |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Honam |
| Population Blank1 Title: | Dialect |
| Population Blank1: | Jeolla |
| Area Total Km2: | 495.98 |
| Population As Of: | 2001 |
| Population Total: | 49254 |
| Population Density Km2: | 99.3 |
| Parts Type: | Administrative divisions |
| Parts: | 1 eup, 10 myeon |
| Image Blank Emblem: | Gangjin logo.png |
| Blank Emblem Type: | Emblem of Gangjin |
Gangjin County is a county in South Jeolla Province, South Korea. Gangjin county proper was established in 1895. The county office is located in Gangjin-eup.
The Gangjin Kiln Sites are a noted area for the production of traditional Goryeo celadon, and annually a big festival and symposium on celadon porcelain at the Goryeo Celadon Museum with participants from all over the world takes place in Gangjin city.
Additionally, it is the birthplace of Korean poet Yeongrang Kim Yun-sik, famous for his work in the 1930s and 1940s in the Jeolla dialect.
The county bird is the magpie. The county flower is the camellia, and the county tree is the ginkgo. There are also two mascots, Gang and Jin, who represent fire and water, respectively, and who appear throughout the county on signs and sidewalks.
A small portion of Wolchulsan National Park is located in Gangjin County.
There is a monument to 17th-century Dutch explorer Hendrick Hamel, the first westerner to experience and write about Korea's Joseon Dynasty era. Hamel and his men were shipwrecked on Jeju island, and they remained captives in Korea for 13 years.