IDFA
| Acronym | Definition |
|---|---|
| IDFA | International Dairy Foods Association |
| IDFA | Identifier for Advertisers (software) |
| IDFA | International Documentary Filmfestival Amsterdam |
| IDFA | Institute for Divorce Financial Analysts (Southfield, MI) |
| IDFA | International Drug Free Athletics (Canada) |
| IDFA | Industrial Development Financing Authority (various locations) |
| IDFA | Improved Decision-Feedback Algorithm |
| IDFA | Illinois Development Financed Authority |
| IDFA | International Digital Fighters Alliance (website) |