- DIANA stands for Descriptive Intermediate Attributed Notation for Ada
- DIANA stands for Data Intensive and Network Aware (computer science)
- DIANA stands for Distance Geometry Algorithm for NMR Applications
- DIANA stands for DIsplacement Analyzer
- DIANA stands for H6000 Disk Analysis System (Honeywell)
- DIANA stands for Detect Immobilized Amplified Nucleic Acids
Abbreviations And Their Meaning