| RFI | Radio Frequency Interference | - | Atmospheric Research Center |
| RFI | RCRA Facility Investigation | - | Computer Acronyms(common) |
| RFI | Radio Frequency Interference | - | Computer Acronyms(common) |
| RFI | Radio Frequency Interference | - | Human Genome |
| RFI | Radio Frequency Interference | - | Organizations |
| RFI | Remote Facility Inquiry | - | Organizations |
| RFI | Remote File Inquiry | - | Organizations |
| RFI | Request For Information | - | Organizations |
| RFI | Ready For Inspection - Ready For Issue - Request For Information - Radio Frequency Interference | - | Astronomy |
| RFI | Radio Frequency Interference | - | Business and Finance |
