EOC

EOC may refer to:


 * Earth Observation Center
 * Eastern Oregon College, now Eastern Oregon University, in La Grande, Oregon
 * Eastern Orthodox Church
 * Estonian Orthodox Church (disambiguation)
 * Economy of Communion
 * Elswick Ordnance Company, a defunct British armaments manufacturer
 * Emergency operations center
 * End of Course Test
 * Equal Opportunities Commission (disambiguation)
 * Ethernet over coax
 * Ethernet over copper
 * Ethics of care
 * Ethnography of communication
 * European Olympic Committees
 * European Orienteering Championships
 * Evangelical Orthodox Church