HDM

HDM may refer to:

• Haagsche Delftsche Mixed Hockey Club, a Dutch field hockey club based in Den Haag
• Haddenham and Thame Parkway railway station, in England
• Hamadan Airport in Iran
• Harvard Dictionary of Music
• Haus des Meeres, an aquarium in Vienna, Austria
• H. D. Moore, American computer security researcher
• HDM Furniture Industries, including furniture companies Henredon, Drexel Heritage and Maitland-Smith
• Herzog & de Meuron (HdM]], a Swiss architectural firm
• High Standard HDM, a semiautomatic pistol
• His Dark Materials, a trilogy of novels by Philip Pullman
• Hockey Day Minnesota
• Holistic Data Management
• Hot dark matter, a form of dark matter
• House dust mite