| Acronym | Definition |
|---|
| UTO➣United Thank Offering |
| UTO➣Universal Time Object |
| UTO➣United Tajik Opposition |
| UTO➣Upgrade Travel Option (air travel) |
| UTO➣Unable to Obtain |
| UTO➣Unit Table of Organization (US DoD) |
| UTO➣University Technology Officer |
| UTO➣United Towns Organization |
| UTO➣Urinary Tract Obstruction |
| UTO➣Unité Technique Opérationnelle (French: Operational Technical Unit; Cameroon) |
| UTO➣Unit Task Organization |
| UTO➣Usine de Traitement des Ordures (French: Waste Treatment Plant; Switzerland; also seen as UTOVS) |
| UTO➣Universal Time Observed |
| UTO➣Up The Owls (Sheffield Wednesday Football Club Fans) |
| UTO➣Unpaid Time Off |
| UTO➣Unit Task Order |
| UTO➣User Test Organization |