Korean won primarily refers to:

• South Korean won, the present currency of South Korea
• North Korean won, the present currency of North Korea

It can also refer to these historical currencies:

• Korean Empire won, 1900–1910 currency in the Korean Empire
• Won of the Red Army Command, 1945–1947 currency in northern Korea under the Soviet Civil Administration
• South Korean won (1945–1953)
• South Korean hwan, 1953–1962 currency