List of South Korean flags
This is a list of flags used in South Korea, from 1945 to the present.
National flags
| Flag | Date | Use | Description |
| October 15, 1949 | Civil and state flag and ensign of the First Republic of South Korea. | This flag was designed by the first National Assembly. | |
| October 1984 | Civil and state flag and ensign of South Korea | This flag was designed by the Ministry of Education and Culture in October 1949. The exact colors were not specified. | |
| October 1997 | Civil and state flag and ensign of South Korea | Dimensions were specified in 1984. The exact colors were not specified. | |
| May 2011 | Civil and state flag and ensign of the Sixth Republic of South Korea. | In October 1997, the South Korean government officially specified the exact colors to be used on the flag via presidential decree. | |
| present | Civil and state flag and ensign of South Korea. | In 2011, the South Korean government re-specified the colors. |
National government flags
Military flags
South Korean coast guard flags
Historical flags
Minorities
Provincial-level division flags
North Korean provincial flags
As the South Korean government claims the territory of North Korea as its own, provincial flags also exist for the North Korean provinces that are claimed by South Korea. The following are flags of the five Korean provinces located entirely north of the Military Demarcation Line as according to the South Korean government, as it formally claims to be the sole legitimate government of the entire Korean Peninsula.| Flag | Name | Description | |
| North Hamgyeong Province | - | Flag of North Hamgyeong Province, claimed by South Korea | |
| South Hamgyeong Province | - | Flag of South Hamgyeong Province, claimed by South Korea | |
| Hwanghae Province | - | Flag of Hwanghae Province, claimed by South Korea | |
| North Pyeongan Province | - | Flag of North Pyeongan Province, claimed by South Korea | |
| South Pyeongan Province | - | Flag of South Pyeongan Province, claimed by South Korea |