| UNA | Uchronic Nerd Alliance 
| Others |
| UNA | Ukrainian National Antivirus
| Others |
| UNA | UNA Networking Applications
| Others |
| UNA | Union of North America
| Others |
| UNA | Unique Names Arxiv
| Others |
| UNA | Unique Names Assumption
| Others |
| UNA | Uniqueness of Names Assumption
| Others |
| UNA | United Nationalist Alliance
| Others |
| UNA | United Nationalities Alliance
| Others |
| UNA | United Nations Archives
| Others |
| UNA | United Nations Association
| Others |
| UNA | United Nations Association of the USA
| Others |
| UNA | United Nations Associations
| Others |
| UNA | United Nations Attended
| Others |
| UNA | United Native American
| Others |
| UNA | United Native Americans
| Others |
| UNA | United Network Associates
| Others |
| UNA | United Networking Applications
| Others |
| UNA | United North America
| Others |
| UNA | Universal Network Analyzer
| Others |
| UNA | Universal Network Architecture
| Others |
| UNA | Universal Nursing Application
| Others |
| UNA | Universidad Nacional Agraria
| Others |
| UNA | University Network Access
| Others |
| UNA | University of North Alabama
| Others |
| UNA | Unix Network Administration
| Others |
| UNA | Upstream Neighbors Address
| Others |
| UNA | Urea Nitrogen Appearance
| Others |
| UNA | USA of Nashville AcronymAttic
| Others |
| UNA | USA of Nashville Advertisement
| Others |
| UNA | Use New Art
| Others |
| UNA | Use No Abbreviations
| Others |
| UNA | Utah Nonprofits Association
| Others |
| UNA | Utah Nurses Association
| Others |