ADIC

ADIC may refer to:


 * Abu Dhabi Investment Council
 * Advanced Digital Information Corporation
 * ASEAN Defense Industry Collaboration
 * Assistant director in charge

adic may refer to:
 * adicity of an operation
 * the I-adic filtration, I-adic completion, or I-adic topology of a ring or module with respect to some ideal I
 * $p$-adic numbers, a concept in number theory
 * adic spaces, in number theory