| Korea Customs Service | |
| Native Name: | Korean: 관세청 |
| Native Name A: | 關稅廳 |
| Seal: | Emblem of the Korea Customs Service.svg |
| Seal Size: | 150px |
| Preceding6: | --> |
| Superseding6: | --> |
| Jurisdiction: | Government of South Korea |
| Headquarters: | Daejeon, South Korea |
| Chief1 Name: | Ko Kwang-hyo |
| Chief1 Position: | Commissioner |
| Chief9 Name: | --> |
| Parent Agency: | Ministry of Economy and Finance |
| Child25 Agency: | --> |
| Keydocument6: | --> |
The Korea Customs Service (KCS;) was established in 1970 and is one of tax organizations in South Korea and is run under the Ministry of Economy and Finance. The headquarters is in Seo District, Daejeon.[1]