AICD may refer to:
Automated Implantable Cardioverter-Defibrillator Amyloid precursor protein Intracellular Cytoplasmic/C-terminal Domain, the smaller cleavage product of APP by gamma-secretase Australian Institute of Company Directors, an organisation supporting company directors in Australia Activation-induced cell death (AICD), important for maintaining T cell homeostasis of the immune system. Autoreactive T cells undergo apoptosis through AICD both from the thymus and periphery