QRH may refer to:

• QRH, the Q code for varying frequency
• Queen's Royal Hussars, a British army regiment
• QRH, IATA City Code for Rotterdam Centraal railway station
• Quick Reference Handbook, a manual for solving technical problems aboard an airplane

• H-72 Lakota
• H7 (disambiguation)
• H7 (lamp)
• H7 (monogram)
• H7N1
• H7N2
• H7N3
• H7N4
• H7N7
• H-8
• H 8
• H-8 (1958)
• H8300
• H8606B
• H-89
• H8 (disambiguation)
• H8 (film)
• H8N2O4S
• H8 Red
• H/9
• H-9
• H 9
• H92
• H9 (disambiguation)
• H9 (Long Island bus)