| Acronym | Definition |
|---|
| UIS➣Universidad Industrial de Santander (Colombia) |
| UIS➣User Interface Specification |
| UIS➣UNESCO Institute for Statistics |
| UIS➣User Interface System |
| UIS➣Useless Information Society (established in 1995) |
| UIS➣Unit in Service (used especially in paging industry) |
| UIS➣University of Illinois at Springfield |
| UIS➣User in Service (SS7 SCCP) |
| UIS➣University Information Services |
| UIS➣Union Internationale de Spéléologie (international body for caving and speleology.) |
| UIS➣Ubiquitous Information System |
| UIS➣Ube Information Systems (Japan) |
| UIS➣Universal Information Services |
| UIS➣Unit Injector System |
| UIS➣User Interface Service |
| UIS➣User Interface Suite |
| UIS➣User Interface Support |
| UIS➣United Irish Societies (various locations) |
| UIS➣Unix Integration Services (Citrix) |
| UIS➣Unit Identification System |
| UIS➣Umpire Information System (QuesTek device for judging balls and strikes) |
| UIS➣UNESCO (United Nations Educational, Scientific and Cultural Organization) Institute for Statistics (Quebec, Canada) |
| UIS➣UV/EUV Imaging Spectrometer |
| UIS➣Universal Information Service |
| UIS➣Universal Info Service (data e ntry company) |
| UIS➣University Identity System (China) |
| UIS➣Upper Information Service |
| UIS➣User Introduction Sessions (software testing/training) |