COC

COC may refer to:

==Terms== Certificate of Conformity, see type approval Chain of command, following orders based on others' authority within the group. Chain of custody, the chronological record of a sample or evidence Circle of confusion, the optical term for a blurred spot which is the image of an out-of-focus point source Cleveland open-cup method, a method used in chemistry for determining a substance's flashpoint Code of conduct, a set of rules and regulations for organizations and events Cost of capital, an investment principal