| FII | Fabricated or Induced Illness 
| Others |
| FII | Facultatea de Informatica Din Iasi
| Others |
| FII | Fair Internship Initiative
| Others |
| FII | Falling Into Infinity
| Others |
| FII | Family Independence Initative
| Others |
| FII | Family Independence Initiative
| Others |
| FII | FarmIndustria Italy
| Others |
| FII | Federated Investors Inc
| Others |
| FII | Feed Industry Institute
| Others |
| FII | Fiber Innovations Inc
| Others |
| FII | Film Index International
| Others |
| FII | Financial Inclusion Insights
| Others |
| FII | Financial Innovations Inc
| Others |
| FII | Financial Institution Information
| Others |
| FII | Financial Integration Index
| Others |
| FII | Fitness Intellectual Internet
| Others |
| FII | Fitzgerald Industries International
| Others |
| FII | Font Information Interchange
| Others |
| FII | Foolish Indian Investor
| Others |
| FII | Foreign Indian Investors
| Others |
| FII | Foreign Indirect Investment
| Others |
| FII | Foreign Institutional Investment
| Others |
| FII | Foreign Institutional Investor
| Others |
| FII | Foreign Institutional Investors
| Others |
| FII | Foreign Intelligence Information
| Others |
| FII | Foreign Investment Inflow
| Others |
| FII | Forestry Innovation Investment
| Others |
| FII | Forum for Industry Interaction
| Others |
| FII | Foxconn Industrial Internet
| Others |
| FII | Framework for Internet Innovation
| Others |
| FII | Franked Investment Income
| Others |
| FII | Freediving Instructors International
| Others |
| FII | Future Industries Institute
| Others |
| FII | Future Investment Initiative
| Others |