| Acronym | Definition |
|---|
| DIRF➣Declaração do Imposto de Renda Retido na Fonte (Portuguese: Statement of Income Tax Withheld at Source) |
| DIRF➣Digital Information Research Foundation (India) |
| DIRF➣Dansk Investor Relations Forening (Danish organization) |
| DIRF➣Differential Interest Rate Fix (contracts) |
| DIRF➣Délégation Interrégionale au Recrutement et a la Formation (French: Delegation to Inter Recruitment and Training) |
| DIRF➣Declaracao de Imposto Retido na Fonte (Brazil) |
| DIRF➣Double-Coating Indirect Rosette Formation (immunology) |
| DIRF➣Dynamic Incorrect Read Fault |