| Acronym | Definition |
|---|
| FSAR➣Flying Saucers Are Real |
| FSAR➣Final Safety Analysis Report |
| FSAR➣Federatia Sindicatelor Aeroportuare din România (Romanian: Federation of Airport Trade Unions from Romania) |
| FSAR➣Facility Safety Analysis Report |
| FSAR➣Fiat Secundum Artum Regulas (Latin: Made According to the State of the Art) |
| FSAR➣Foothills Search and Rescue (Turner Valley, Alberta, Canada) |
| FSAR➣Failure Summary Analysis Report |
| FSAR➣Final Sustainability Appraisal Report (UK) |
| FSAR➣Frequency Scanned Array Radar |