- ACDI stands for Agence Canadienne de Développement International (Canadian International Development Agency)
- ACDI stands for Agricultural Cooperative Development International
- ACDI stands for Asynchronous Communications Device Interface (IBM)
- ACDI stands for Associated Construction Distributors International (Des Moines, IA)
- ACDI stands for Association Chrétienne pour le Développement Intégral (French: Christian Association for Integral Development; Canada)
- ACDI stands for Agentiei Canadiene de Dezvoltare Internationala (Romanian)
ACDI