| Acronym | Definition |
|---|
| EQC | Emerald Queen Casino (Washington) |
| EQC | Environmental Quality Council |
| EQC | Earthquake Commission (New Zealand) |
| EQC | Environmental Quality Control |
| EQC | Electronic Quality Control |
| EQC | Effluent Quality Criteria (water management; Canada) |
| EQC | External Quality Control |
| EQC | Engagement Qualité Carrefour (French: Carrefour Quality Commitment) |
| EQC | Escrime de Quimper Cornouaille (French fencing club) |
| EQC | Equivalent Circuit |
| EQC | Executive Quality Council |
| EQC | Exemption Quantitation Criteria |
| EQC | European Quality Circle |
| EQC | Equivalent Cases |
| EQC | Engineering Quick Change (engineering design) |
| EQC | EverQuest Classic (video game) |