EFSQ
| Acronym | Definition |
|---|---|
| EFSQ | European Foundation on Social Quality (Netherlands) |
| EFSQ | Ex Falso Sequitur Quodlibet (Latin: From Falsehood Follows Anything; principle of explosion, law of classical logic) |
| EFSQ | Entrepôts Frigorifiques de Saint Quentin (French cold storage company) |