Eiken

Eiken may refer to:

Norway

 * Eiken, Norway, a former municipality in the old Vest-Agder county
 * Eiken, Agder, a village in Hægebostad municipality in Agder county
 * Eiken Church, a church in Hægebostad municipality in Agder county

Switzerland

 * Eiken, Aargau, a municipality in the district of Laufenburg in the canton of Aargau

People with the given name

 * Eiken Sato (佐藤 英賢), Japanese equestrian

Other uses

 * Eiken (studio), an anime studio based in Tokyo, Japan
 * STEP Eiken, a Japanese examination on the English language
 * Eiken (manga), a manga/anime series
 * Eiken syndrome, a rare autosomal bone dysplasia
 * Eiken Chemical, a Japanese company headquartered in Tokyo