UIS
The abbreviation UIS stands for:
- Environmental information system
- UNESCO Institute for Statistics - UNESCO Statistical Authority
- University of Illinois at Springfield
- University of Stavanger ( Universitetet i Stavanger )
- Union Internationale de Spéléologie - World Association of Speleologists and Karst Researchers
- Unit Injector System , a direct injection method for diesel engines developed by the Detroit Diesel Company in the 1930s , on which the unit injector system is based.
