SIIF
| Acronym | Definition |
|---|---|
| SIIF | Sistema de Integrado de Información Finaciera (Spanish: Integrated Information System Economically-Financial; Columbia) |
| SIIF | Seoul International Invention Fair |
| SIIF | Superintendencia de Instituciones de Intermediación Financiera (Banco Central dek Uruguay) |
| SIIF | Shanghai International Industry Fair (Shanghai, China) |
| SIIF | Science & Innovation Investment Framework (UK) |