What does RIO stand for?

The list of RIO abbreviation meanings.

Stands For|89Abbreviated As|0Related|0
29
Rio de Janeiro
18
Companhia Vale do Rio Doce
13
Radar Intercept Officer(United States Navy, Us navy, Military jargon)
8
Rock in Opposition
6
Record Iron Ore
6
Rebuild Iowa Office
5
Reports on International Organizations(Government)
4
Red Iron Oxide
4
Reference Interconnection Offer
4
Reintegration of Offenders
4
Restore Iraqi Oil
4
Reviewers International Organization
3
Religion Index One
3
Reusable Information Object(Telecom, Technology)
3
Russian Interface Operator(Technology)
2
Radar Intercept Officers
2
Radio Intercept Officer
2
Rail Incident Officer
2
Redfern Integrated Optics
2
Redistributed Internet Object
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APASmart Define. (2017). rio. Retrieved October 1, 2026, from http://smartdefine.org/rio/abbreviations/f
ChicagoSmart Define. 2017. "rio" http://smartdefine.org/rio/abbreviations/f (accessed October 1, 2026).
HarvardSmart Define 2017, rio, Smart Define, viewed 1 October, 2026, <http://smartdefine.org/rio/abbreviations/f>.
MLASmart Define. "rio" 14 November 2017. Web. 1 October 2026. <http://smartdefine.org/rio/abbreviations/f>