| RLI | Radio Lakay International 
| Others |
| RLI | Radio Link Internet
| Others |
| RLI | Radiology Leadership Institute
| Others |
| RLI | Radionuclide Loading Index
| Others |
| RLI | Reading-Level Indicator
| Others |
| RLI | Realtors Land Institute
| Others |
| RLI | Recycling Laws International
| Others |
| RLI | Referral Leaders International
| Others |
| RLI | Referral Leaders International Referral Leaders International
| Others |
| RLI | Regenerative Leadership institute
| Others |
| RLI | Regional Leadership Institute
| Others |
| RLI | Renaissance Learning, Incorporated
| Others |
| RLI | Renewable Lubricants Inc.
| Others |
| RLI | Rensselaer Learning Institute
| Others |
| RLI | Replica Location Index
| Others |
| RLI | Republican Leadership Initiative
| Others |
| RLI | Reserve Life Index
| Others |
| RLI | Resist LIthography
| Others |
| RLI | Responsible Labor Initiative
| Others |
| RLI | Restoring Lives International
| Others |
| RLI | Rhodesian Light Infantry
| Others |
| RLI | Rnase L Inhibitor
| Others |
| RLI | Rockwell Laser Industries
| Others |
| RLI | Rotary Leadership Institute
| Others |
| RLI | Rotary Learning Initiative
| Others |
| RLI | Roto Level Indicator
| Others |
| RLI | Route List Index
| Others |