Iwon may refer to:

Iwon or Iwŏn (), the common South Korean romanization of

• Riwon (, Riwŏn-ŭp), a town in North Korea

• Riwon County (, Riwŏn-kun), a county in North Korea

  Iwon station (이원역, Iwon-yeok) on the Gyeongbu Line in South Korea

• iWon, an internet portal and search engine