| RLF | Rajputana Liberation Front
| Others |
| RLF | Rave Liberation Front
| Others |
| RLF | Real Life Friend
| Others |
| RLF | Real Love Forever
| Others |
| RLF | Reanimated Life Form
| Others |
| RLF | Red Lake Falls
| Others |
| RLF | Regional Leadership Forum
| Others |
| RLF | Regional Library Facilities
| Others |
| RLF | Relaxin Like Factor
| Others |
| RLF | Remote Line Failure
| Others |
| RLF | Remote Location Filing
| Others |
| RLF | Replacement Level Fertility
| Others |
| RLF | Replication Licensing Factor
| Others |
| RLF | Resource Limit Facility
| Others |
| RLF | Resources Legacy Fund
| Others |
| RLF | retrolental fibroplasia
| Others |
| RLF | Reverse Line Feed
| Others |
| RLF | Revolving Loan Fund
| Others |
| RLF | Richards, Layton, & Finger
| Others |
| RLF | Richmond Lesbian Feminists
| Others |
| RLF | Right lateral flexion
| Others |
| RLF | Riverside Library Friends
| Others |
| RLF | Road Load Force
| Others |
| RLF | Rockefeller Leadership Fellows
| Others |
| RLF | Rogers Lovelock and Fritz
| Others |
| RLF | Roy Lichtenstein Foundation
| Others |
| RLF | Royal Literary Fund
| Others |
| RLF | Rural Land Foundation
| Others |
| RLF | Rural Liquid Fertilisers
| Others |