| Term | Full Form | Category |
|---|---|---|
| NTFA | National Table for Frequency Allocation | Others |
| NTFA | National Table of Frequency Allocations | Others |
| NTFA | National Tackle Football Association | Others |
| NTFA | National Taekwondo Federation of America | Others |
| NTFA | Non Tenured Faculty Award | Others |
| NTFA | North Texas Fencing Alliance | Others |
| NTFA | North Texas Floorball Association | Others |
| NTFA | Northern Tasmanian Football Association | Others |