- AHDI stands for Association for Healthcare Documentation Integrity (Modesto, CA)
- AHDI stands for Atari Hard Disk Interface (computing)
- AHDI stands for Alternative Human Development Index (UN Development Programme)
- AHDI stands for Affordable Housing Developers, Inc. (North Dakota)
- AHDI stands for Alfred Haber Distributions, Inc. (Palisades Park, NJ)
AHDI