- DCAI stands for Dialysis Corporation of America (dialysis provider; stock symbol)
- DCAI stands for Dispatching Control Assistance International (Paris, France)
- DCAI stands for Disabled Citizens Alliance for Independence (Viburnum, MO)
- DCAI stands for Defense Contract Audit Institute
- DCAI stands for Desmoplastic Cerebral Astrocytoma of Infancy (tumor)
- DCAI stands for Defense Communications Agency Instruction
- DCAI stands for Dexter Cattle Australia, Inc. (University of New England; Armidale, New South Wales, Australia)
DCAI