| Acronym | Definition |
|---|
| SIFT | Signal Integrity Filtering Technology |
| SIFT | Sender Initiated File Transfer |
| SIFT | Scale Invariant Feature Transform |
| SIFT | specified investment flow-through |
| SIFT | Smart Information Flow Technologies (Minneapolis, MN) |
| SIFT | Semantic Interpretation of Free Text (natural language processing) |
| SIFT | Service Increment for Teaching (UK) |
| SIFT | Software Implemented Fault Tolerance |
| SIFT | Sorting Intolerant from Tolerant |
| SIFT | Stanford Information Filtering Tool |
| SIFT | Strain Invariant Failure Theory |
| SIFT | Symbol Imagery Figurative Language Theme (literature) |
| SIFT | Sum Index Flow Technology (Navision) |
| SIFT | skin integrity function test |
| SIFT | Sense, Intention, Feeling, Tone (literature) |
| SIFT | Simulation Interface Toolset |
| SIFT | Secure Internet Filtering Technology (consortium) |
| SIFT | Scan, Investigate, Filter, and Target |
| SIFT | System Identification from Tracking |
| SIFT | Systematic Inspection of Features in the Territory (Hong Kong) |
| SIFT | Singapore Institute of Food Science and Technology |
| SIFT | Sender Initiated File Transfer Protocol |
| SIFT | Selectively Improved Flagging Task |
| SIFT | Sustainable Investment and Finance in Tourism Network (UNEP) |