- ADSO stands for Active Duty Service Obligation (US military)
- ADSO stands for Air Defence System Operator (India)
- ADSO stands for Army Driver Standardization Office (US Army)
- ADSO stands for Assistant District Staff Officer
- ADSO stands for Attention Data Search Optimization
- ADSO stands for Australian Defence Simulation Office
- ADSO stands for Assistant Division Signal Officer
- ADSO stands for Additional Duty Safety Officer
- ADSO stands for Application Development System/Online (US Department of Homeland Security)
- ADSO stands for AIS Domain Security Officer
- ADSO stands for Army Directed Studies Office
ADSO