This is a list of flags used in South Korea, from 1945 to the present.
National flags
National government flags
Military flags
Political flags
Flags of subdivisions
Provincial-level division flags
Flags of other cities
Historical flags
Historical flags of other cities
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.