QH, qh, or q.h. may refer to:

• Air Florida (former IATA airline designator QH)
• Bamboo Airways (IATA airline designator QH)
• Kyrgyzstan (airline) (IATA airline designator QH)

• ATCvet code QH Systemic hormonal preparations, excluding sex hormones and insulins, a section of the Anatomical Therapeutic Chemical Classification System for veterinary medicinal products
• q.h. or qh, Latin for "every hour" (also q2h "every 2 hours", etc.), an abbreviation used in medical prescriptions

• Qinghai, a province of China (Guobiao abbreviation QH)

This disambiguation page lists articles associated with the title QH.
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