| SIL | Association of Electrical Engineers (Finland) 
| Others |
| SIL | Safety Integrity Level
| Others |
| SIL | Safety Integrity Levels
| Others |
| SIL | Self Instruction Lab
| Others |
| SIL | Semiconductor Injection Laser
| Others |
| SIL | Seriously Ill List
| Others |
| SIL | Service Indicator Lamp
| Others |
| SIL | Services for Independent Living
| Others |
| SIL | Servis Industries Limited
| Others |
| SIL | Shannon International Leasing
| Others |
| SIL | Sheep Improvement Limited
| Others |
| SIL | Sheep Improvement Ltd
| Others |
| SIL | Shift Indicator Light
| Others |
| SIL | Significant Impact Level
| Others |
| SIL | SIL Is Listed
| Others |
| SIL | Sila, Papua New Guinea
| Others |
| SIL | Silhouette
| Others |
| SIL | Silicon Image
| Others |
| SIL | Simulink Interface Layer
| Others |
| SIL | Single In Line
| Others |
| SIL | Single In-Line
| Others |
| SIL | Sis In Law
| Others |
| SIL | Sister In Law
| Others |
| SIL | Sister-In-Law
| Others |
| SIL | Sitzelektrik Links
| Others |
| SIL | Sleeping In Light
| Others |
| SIL | So In Love
| Others |
| SIL | Software In the Loop
| Others |
| SIL | Son In Law
| Others |
| SIL | Son-In-Law
| Others |
| SIL | Sound Intensity Level
| Others |
| SIL | Sound Interference Level
| Others |
| SIL | Source Independent Load
| Others |
| SIL | South Iceland Lowland
| Others |
| SIL | Special Import License
| Others |
| SIL | Speech Interference Level
| Others |
| SIL | Squamous Intraepithelial Lesion
| Others |
| SIL | Squamous Intraepithelial Lesions
| Others |
| SIL | St Ignatius of Loyola
| Others |
| SIL | Standard Interchange Language
| Others |
| SIL | Stone In Lines
| Others |
| SIL | Strategy Insight and Leverage
| Others |
| SIL | Stuff I Like
| Others |
| SIL | Summer Institute of Linguistics
| Others |
| SIL | Supported Independent Living
| Others |
| SIL | Surficial Interpolated Levels
| Others |
| SIL | Swift Intermediate Language
| Others |
| SIL | System Integration Laboratory
| Others |
| SIL | Systems Integration Laboratory
| Others |
| SIL | Systems Integrity Level
| Others |