IES
English
Proper noun
IES
- Initialism of Illuminating Engineering Society.
Catalan
Pronunciation
Audio (Barcelona): (file)
Noun
IES f (invariable)
- initialism of institut d'educació secundària
Portuguese
Noun
IES f (plural IES or (uncommon) IESs)
- initialism of instituição de ensino superior
Spanish
Noun
IES f (plural IES)
- (Spain) initialism of instituto de educación secundaria