UE
UE or Ue may refer to:
Business
- Transeuropean Airlines's IATA airline designator
 - Ultimate Ears, a manufacturer based in Irvine, California
 - Union Electric Company, a defunct utility company
 - United Electrical, Radio and Machine Workers of America, a trade union
 - United Envirotech, a company based in Singapore
 - Universal Edition, a music publisher
 
Computing
- Unreal Engine, a 3D game engine developed by Epic Games
 - User equipment, a term used in telecommunications systems
 
Education
- University of Evansville, a university in Indiana, United States
 - University of Education, a university in Pakistan
 - University of the East, a university in the Philippines
 
Language
- Ue (digraph), a digraph used in some writing systems 
- Ue, the digraph used to represent Ü
 
 - Ue (Cyrillic), a letter in the Cyrillic alphabet
 
Other uses
- German Type UE I submarine of WWI
 - German Type UE II submarine of WWI
 - United Empire Loyalists' post-nominal letters
 - Urban exploration
 - Use of English, a subject in the Hong Kong Advanced Level Examination