| Acronym | Definition |
|---|
| IFSD➣Information Field Size Device |
| IFSD➣Institutional Framework for Sustainable Development (various organizations) |
| IFSD➣International Financial Services District (Glasgow) |
| IFSD➣Institute of Fiscal Studies and Democracy (Ottawa, Ontario, Canada) |
| IFSD➣In-Flight Shutdown (rate) |
| IFSD➣Current at Full Scale Deflection (electronics) |
| IFSD➣Irish Flight Sim Design (Ireland) |
| IFSD➣Intraoperative Frozen Section Diagnosis (pathology) |
| IFSD➣International Fire Sprinkler Design (Marina del Rey, CA) |