- DIOM stands for Distributed Interoperable Object Model (database systems)
- DIOM stands for Dragons In Our Midst (book series by Bryan Davis)
- DIOM stands for Digital Input/Output Module (computing)
- DIOM stands for Design, Installation, Operation and Maintenance Manual
- DIOM stands for Diploma in Industrial and Operations Management (Singapore)
- DIOM stands for Digital Integration Of Mortars
DIOM