| UA-09 | Luhanska oblast, Ukraine 
| Others |
| UA-12 | Dnipropetrovska oblast, Ukraine
| Others |
| UA-14 | Donetska oblast, Ukraine
| Others |
| UA-18 | Zhytomyrska oblast, Ukraine
| Others |
| UA-21 | Zakarpatska oblast, Ukraine
| Others |
| UA-23 | Zaporizka oblast, Ukraine
| Others |
| UA-26 | Ivano-Frankivska oblast, Ukraine
| Others |
| UA-30 | Kyiv, Ukraine
| Others |
| UA-32 | Kyivska oblast, Ukraine
| Others |
| UA-35 | Kirovohradska oblast, Ukraine
| Others |
| UA-40 | Sevastopol, Ukraine
| Others |
| UA-43 | Avtonomna Respublika Krym, Ukraine
| Others |
| UA-46 | Lvivska oblast, Ukraine
| Others |
| UA-48 | Mykolaivska oblast, Ukraine
| Others |
| UA-51 | Odeska oblast, Ukraine
| Others |
| UA-53 | Poltavska oblast, Ukraine
| Others |
| UA-56 | Rivnenska oblast, Ukraine
| Others |
| UA-59 | Sumska oblast, Ukraine
| Others |
| UA-61 | Ternopilska oblast, Ukraine
| Others |
| UA-63 | Kharkivska oblast, Ukraine
| Others |
| UA-65 | Khersonska oblast, Ukraine
| Others |
| UA-68 | Khmelnytska oblast, Ukraine
| Others |
| UA-71 | Cherkaska oblast, Ukraine
| Others |
| UA-74 | Chernihivska oblast, Ukraine
| Others |
| UA-77 | Chernivetska oblast, Ukraine
| Others |
| UA4A | United Action for Animals
| Others |
| UAA | Ufficio Assistenza Automobilistica
| Others |
| UAA | Ukrainian Alumni Association
| Others |
| UAA | Undeliverable As Addressed
| Others |
| UAA | Under Armour Association
| Others |
| UAA | Unified Access Architecture
| Others |
| UAA | Unified Audio Architecture
| Others |
| UAA | Uniform Adoption Act of 1994
| Others |
| UAA | United Authors Association
| Others |
| UAA | Universal Accreditation Act
| Others |
| UAA | Universal Administered Address
| Others |
| UAA | Universal Assigned Address
| Others |
| UAA | Universal Audio Architecture
| Others |
| UAA | Universally Administered Address
| Others |
| UAA | University Agency Affiliation
| Others |
| UAA | University Athletic Association
| Others |
| UAA | University Athletic Association, Inc.
| Others |
| UAA | University Aviation Association
| Others |
| UAA | University of Alaska Anchorage
| Others |
| UAA | Upper A-Arm
| Others |
| UAA | Urban Adaptation Assessment
| Others |
| UAA | Urban Affairs Association
| Others |
| UAA | Usable Agricultural Area
| Others |
| UAA | Use Attainability Analysis
| Others |
| UAA | Used Agricultural Area
| Others |