| Abbreviation | Definition |
|---|---|
| FAS | Bund Schweizer Architekten |
| FAS | Fdration des Architectes Suisses |
| FAS | Fédération des Architectes Suisses |
| FAS | Federation of Swiss Architects |
| FAS | Federazione Architetti Svizzeri |
| FAS | Formalhaut Aquisition Society |
| FASA | Folk Art Society of America |
| FASAE | Filipino American Society of Architects and Engineers |
| FASAS | Federation of Asian Scientific Academies and Societies |
| FASCO | Fellow of the American Society of Clinical Oncology |
| FASCP | Fellow American Society for Clinical Pathology |
| FASE | Forensic Anthropology Society of Europe |
| FASG | Fellow of the American Society of Genealogists |
| FASG | Folk Arts Society of Greenville |
| FASGO | Argentine Federation of Societies of Gynaecology and Obstetrics |
| FASGO | Federacin Argentina de Sociedades de Ginecologa y Obstetricia |
| FASGO | Federación Argentina de Sociedades de Ginecología y Obstetricia |
| FASM | Fine Art Society of Milton |
| FASM | Fine Arts Society Of Milton |
| FASM | Finnish American Society of the Midwest |