| Acronym | Definition |
|---|
| UNIS➣Universidad del Istmo (Spanish: Central University; Guatemala) |
| UNIS➣University Centre in Svalbard (Norway) |
| UNIS➣United Nations International School |
| UNIS➣University of Surrey (Guildford, England) |
| UNIS➣United Nations Information Service |
| UNIS➣Ukrainian National Information Service (Ukranian Congress Committee of America; Washington, DC) |
| UNIS➣Utah Notification and Information System |