AICS may refer to:
- Asian Institute of Computer Studies, a private higher educational institution in the Philippines
- Asesoría de Inteligencia y Consultoría de Seguridad, a private Intelligence Agency in Madrid, Spain.
- Amsterdam International Community School, a school in south Amsterdam, The Netherlands
- Asmara International Community School, an international school in Asmara, Eritrea
- Accuracy International Chassis System, a component of the Accuracy International Arctic Warfare rifle