| Acronym | Meaning |
| FARC | Fuerzas Armadas Revolucionarias De Colombia (Spanish |
| IFRB | International Frequency Registration Board |
| MPSI | Member Of The Pharmaceutical Society Of Ireland |
| SOF | Special Operations Force- Status Of Forces |
| ASA | AcetylSalicylic Acid - American Standards Association - Army Security Agency - Atlantic Southeast Airlines |
| IO | Ido Language (ISO 639-1 Code) |
| FLTSATCOM | Fleet Satellite Communication System |
| GESTAPO | GEheime STAatsPOlizei (German Secret State Police) |
| APS | American Physical Society - Antiphospholipid Antibody Syndrome |
| YWCA | Young Women's Christian Association |