UIO may refer to:
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University of Oslo
The University of Oslo ( no, Universitetet i Oslo; la, Universitas Osloensis) is a public research university located in Oslo, Norway. It is the highest ranked and oldest university in Norway. It is consistently ranked among the top universit ...
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Mariscal Sucre International Airport
Mariscal Sucre International Airport ( es, Aeropuerto Internacional Mariscal Sucre) is an international airport serving Quito, Ecuador. It is the busiest airport in Ecuador and one of the busiest airports in South America. It is located in t ...
, in Quito, Ecuador
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Old Mariscal Sucre International Airport
Mariscal Sucre International Airport ( es, Aeropuerto Internacional Mariscal Sucre) was the main international airport serving Quito, Pichincha Province, Ecuador. It was the busiest airport in Ecuador by passenger traffic, by aircraft movement ...
, which was replaced by the above
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