- AFFI stands for American Frozen Food Institute
- AFFI stands for Association Française de Finance (French: French Finance Association)
- AFFI stands for Associated Fire Fighters of Illinois
- AFFI stands for Associazione Federativa Femminista Internazionale (Italian: Federated International Feminist Association)
- AFFI stands for Association Francaise des Femmes Ingenieurs
- AFFI stands for Arab Federation for Food Industries
Abbreviations And Their Meaning