| ATFA | Accredited Trust Financial Advisor 
| Others |
| ATFA | Alabama TREASURE Forest Association
| Others |
| ATFA | American Task Force Argentina
| Others |
| ATFA | American Telephone Fundraisers Association
| Others |
| ATFA | American Treeing Feist Association
| Others |
| ATFA | American Turkish Friendship Association
| Others |
| ATFA | American Turpentine Farmers Association
| Others |
| ATFA | Aspects of Time Frequency Analysis
| Others |
| ATFA | Assistive Technology For All
| Others |
| ATFA | Australasian Timber Flooring Association
| Others |
| ATFA | Australian Table Football Association
| Others |
| ATFA | Australian Technical Football Academy
| Others |
| ATFA | Australian Timber Flooring Association
| Others |
| ATFA | Awesome Tapes From Africa
| Others |
| ATFA | Awesome Tapes From Africa Awesome
| Others |