| RIL | Garfield County Regional Airport 
| Others |
| RIL | Intravenous rInterleukin-2
| Others |
| RIL | Radar Innovations Laboratory
| Others |
| RIL | Radio Interface Layer
| Others |
| RIL | Radio Interface Library
| Others |
| RIL | Radiogenic Isotopes Laboratory
| Others |
| RIL | RDF Inference Language
| Others |
| RIL | Read It Later
| Others |
| RIL | Rear Inside Left
| Others |
| RIL | Recombinant Inbred Line
| Others |
| RIL | Recombinant Inbred Lines
| Others |
| RIL | Recoverable Item(s) List(s)
| Others |
| RIL | Reduced Impact Logging
| Others |
| RIL | Reduced Income Logging
| Others |
| RIL | Reeve Integral Lock
| Others |
| RIL | Relative Id Level
| Others |
| RIL | Reliance India Limited
| Others |
| RIL | Reliance Industries Limited
| Company |
| RIL | Reliance Industries Ltd
| Others |
| RIL | Reliance Industries, LTD
| Others |
| RIL | Repairable Item List
| Others |
| RIL | Reparable Item List
| Others |
| RIL | Res Ipsa Loquitur
| Others |
| RIL | Resources for Independent Living
| Others |
| RIL | reversion induced LIM
| Others |
| RIL | Rifle, Colorado USA
| Others |
| RIL | RIgoletto Londonaire cigar
| Others |
| RIL | RIL is listed
| Others |
| RIL | Riviera Luxury
| Others |
| RIL | Robust Instrumentation Laboratory
| Others |
| RIL | Rock Island Line
| Others |
| RIL | Rohtas Industries Limited
| Others |
| RIL | Runway Identification Lights
| Others |
| RIL | Runway intersection lights
| Others |