| Acronym | Definition |
|---|
| FISS➣Fiscal Intermediary Standard System (Medicare) |
| FISS➣Formación, Información y Servicios Sociales (Spanish: Training, Information and Social Services) |
| FISS➣Full in Service Support (various companies) |
| FISS➣Foreign Intelligence and Security Services (US Defense Intelligence Agency) |
| FISS➣Family and Individual Support Services (disability help) |
| FISS➣Federazione Italiana Sport Silenziosi (Italian: Italian Sport Federation for the Deaf) |
| FISS➣Fish Information Stream Summary |
| FISS➣Flight, Invulnerability, Speed, Strength (comic book slang) |
| FISS➣Facility Inspection Support System (FDA computer program used by inspectors in the USA to report findings.) |