Eik or EIK may refer to:
People Arild Eik (1943–2009), Norwegian aid worker and diplomat
Places Eik, Agder, a village in Kristiansand municipality in Agder county, Norway Eik, Rogaland, a village in Lund municipality in Rogaland county, Norway Eik, Vestfold, a neighborhood in Tønsberg municipality in Vestfold county, Norway Ełk, a city in eastern Poland pronounce as Eik
Sport Egersunds IK, a Norwegian football club Eik-Tønsberg, a Norwegian football club Enskede IK, a Swedish football club Esbjerg Ishockey Klub, a Danish ice hockey team Eslövs IK, a Swedish sports club
Other uses Eik Banki, a Faroese bank Yeysk Airport, in Russia Erie Municipal Airport, in Colorado, United States