AEIOU stands for Alles Erdreich Ist Österreich Untertan (Austria Is to Govern the World)
AEIOU stands for Austriae Est Imperare Orbi Universo (of Austria is to Govern all the World)
AEIOU stands for Autism Early Intervention Outcomes Unit
AEIOU stands for Austria Erit in Orbe Ultima (Austria Will Exist for Ever)
AEIOU stands for Annotierbares Elektronisches Interaktives Oesterreichisches Universal-Informationssystem (German: Annotatable Electronic Interctiv Universal Information System; Austrian Federal Ministry for Education, Science and Culture )
AEIOU stands for Alliance Ecological Interplanetary Observation Union
AEIOU stands for Address Extension by IP Option Usage
AEIOU stands for Achieving Excellence in Our University
AEIOU stands for Applied Epi Info for Occupational Use
AEIOU stands for Alternative Exhibition Information of the Universe
AEIOU stands for Absolute/Axiomatic, Emotional/Ego/Experienced, Improvable truths, Observed, Unique truth (logic framework)
AEIOU stands for An Elephant in Orange Underwear (vowel mnemonic)
AEIOU stands for Annotable Elektronic Interactive Oesterreich Universal Information System
AEIOU stands for Associação de Enxadristas Intergalácticos Onicolores e Unívocos (Portugese)
AEIOU stands for Achieving Excellence In Our Uniqueness (retirees)