The Culture of Korea
Anthroponymy—The Study of the Names of Human Beings
The Korea Times published an article in 2016 entitled Kim, Lee, Park Remain Three Most Common Surnames.
If you throw a stone from a hill in Seoul, chances are fifty-fifty that it would hit a Kim, Lee or Park.” So goes a Korean joke showing how common the three surnames are.
The 10 most common surnames accounted for 63.9 percent of the total population, down slightly from the comparable ratio of 64.1 percent in 2000.
Here’s more about these three names—Kim (김), Lee (이), and Park (박)
Here’s a list of Korean surnames from —Wikipedia