- DUO stands for Dienst Uitvoering Onderwijs (Dutch: Office of Education)
- DUO stands for Do unto Others
- DUO stands for Deutsch-Uni Online (German learning webportal)
- DUO stands for Dance Umbrella of Ontario
- DUO stands for Dark Universe Observatory
- DUO stands for Dialogue Under Occupation
- DUO stands for Datatron Users Organization
- DUO stands for Decision Unit Overview
Abbreviations And Their Meaning