| Acronym | Definition |
|---|
| UDAF➣Union Départementale des Associations Familiales (French: Departmental Union of Family Associations) |
| UDAF➣Unidad de Administración Financiera (Spanish: Financial Management Unit; various locations) |
| UDAF➣Utah Department of Agriculture and Food |
| UDAF➣Uni-Directional Airflow (clean rooms) |
| UDAF➣Unified Data Analysis Framework (Project Honeypot) |