QH

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

Airlines

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

Medicine

 * 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

Other uses

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