What is the meaning of 韓?

Korea (now especially South Korea)

Han (ancient Chinese county, viscounty, and kingdom of the Zhou dynasty)

short for 三韓 (Sankan, “Samhan”)

alternative spelling of 唐 (Kara), specifically referring to Korea

short for 韓(한)國(국) (Han-guk, “ South Korea”)

chữ Hán form of Hàn (“ South Korea, Korean”)

chữ Hán form of Hàn

1. a surname from Chinese
2. clipping of Hàn Quốc

a surname from Chinese

clipping of Hàn Quốc

Source: wiktionary.org