Iksan (Korean:익산) is a city and major railway junction in North Jeolla Province, (commonly transliterated as Jeollabuk-do or Chollabuk-do) South Korea.
The city center and railway junction was formerly called "Iri" (Hangul:이리시;hanja:裡里市;RR:Iri-si), but merged with Iksan County (Iksan-gun) in 1995.