HCQ (disambiguation)
HCQ is hydroxychloroquine, a medication for malaria, rheumatoid arthritis, lupus and porphyria cutanea tarda.
HCQ may also refer to:
- Halls Creek Airport (IATA code), Australia
 - Huizhou railway station (telegram code), China
 
HCQ is hydroxychloroquine, a medication for malaria, rheumatoid arthritis, lupus and porphyria cutanea tarda.
HCQ may also refer to: