ISO 3166-2:KR is the entry for South Korea (officially the Republic of Korea) in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1.

Currently for South Korea, ISO 3166-2 codes are defined for one special city, six metropolitan cities, seven provinces, two special self-governing provinces and one special self-governing city. All of them are province-level subdivisions.

Each code consists of two parts separated by a hyphen. The first part is , the ISO 3166-1 alpha-2 code of South Korea. The second part is two digits: 11: special city 26–31: metropolitan cities 41, 43–48: provinces 42, 49: special self-governing provinces 50: special self-governing city

Current codes Subdivision names are listed as in the ISO 3166-2 standard published by the ISO 3166 Maintenance Agency (ISO 3166/MA). Since the codes are last updated in 2023, It did not reflect Jeonbuk's special self-governing province status and the merger of Jeonnam–Gwangju yet.

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Code Subdivision (ko)(National 2000) Subdivision (ko)For reference only, Korean name in Korean script not included in the ISO 3166-2 standard. Subdivisionname(en)For reference only, English name not included in the ISO 3166-2 standard. SubdivisioncategoryNameLocal variantNameLocal variantBusanBusanmetropolitan cityChungbukNorth ChungcheongprovinceChungnamprovinceDaeguDaegumetropolitan cityDaejeonDaejeonmetropolitan cityGangwonGangwonGwangjuGwangjumetropolitan cityGyeonggiGyeonggiprovinceGyeongbukNorth GyeongsangprovinceGyeongnamSouth GyeongsangprovinceIncheonIncheonmetropolitan cityJejuJejuspecial self-governing provinceJeonbukNorth JeollaprovinceJeonnamSouth Jeollaprovince Sejongspecial self-governing citySeoulSeoulspecial cityUlsanUlsanmetropolitan city Notes

Changes The following changes to the entry have been announced in newsletters by the ISO 3166/MA since the first publication of ISO 3166-2 in 1998:

Newsletter Date issued Description of change in newsletter Correction of 1 spelling mistake. Update of the source information

The following changes to the entry are listed on ISO's online catalogue, the Online Browsing Platform:

Effective date of change Short description of change (en) 2023-11-23 Change of category name from province to special self-governing province for KR-42; Update List Source

See also Subdivisions of South Korea FIPS region codes of South Korea Neighbouring country: KP

External links ISO Online Browsing Platform: KR Provinces of South Korea, Statoids.com