| Rank | Abbreviation | Meaning |
|---|
| ***** | NDFA | Non-Deterministic Finite Automaton
| |
| ***** | NDFA | National Development Finance Agency
| |
| ***** | NDFA | Non Deterministic Finite Acceptor
| |
| *** | NDFA | Neodymium Doped Fiber Amplifier
| |
| *** | NDFA | National Dairy Farmers Association
| |
| *** | NDFA | Niobium Doped Fiber Amplifier
| |
| *** | NDFA | Nd Doped Fiber Amplifier
| |
| *** | NDFA | Non Differential Fault Analysis
| |
| *** | NDFA | Neuro Developmental Functional Approach
| |
| ** | NDFA | Nebbi District Farmers Association
| |
| ** | NDFA | Non-Drafted Free Agent
| |
| ** | NDFA | Nitrogen Derived from Atmosphere
| |
| * | NDFA | Nathalia and District Football Association
| |
| * | NDFA | Northside Democracy for America
| |
| * | NDFA | North Dakota Firefighters Association
| |
| * | NDFA | National Drinking Fountain Association
| |
| * | NDFA | National Derryberry Family Association
| |
| * | NDFA | Nyimba District Farmers Association
| |
| * | NDFA | National Department of Foreign Affairs
| |
| * | NDFA | Newfoundland Department of Fisheries and Aquaculture
| |
| * | NDFA | National Directorate of Fisheries and Aquaculture
| |
| * | NDFA | Nanoscale Devices Fundamentals and Applications
| |
| * | NDFA | Nuclear Decommissioning Funding Account
| |
| * | NDFA | Nonlinear Dynamical Factor Analysis
| |
| * | NDFA | National Dietary Foods Association
| |