Transportation
- Avian Rio, a British hang glider
- Ford Del Rio, a 1950s station wagon made by Ford Motor Company
- Kia Rio, a 2000s subcompact car made by Kia Motors
- Panther Rio, a 1970s luxury sedan made by British car makers Panther Westwinds
- RIO, the IATA airport code for all airports near Rio de Janeiro
- Rio Models, diecast miniature cars made in Italy
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