OMD may stand for:

Science Osteomodulin, extracellular matrix protein Organic matter digestibility Organic mental disorders Orofacial myological disorders, diseases affecting facial muscles Oromandibular dystonia, neurological disease 3-O-Methyldopa, metabolite and drug Occult macular dystrophy, a rare genetic retinal disease

Entertainment and media Orchestral Manoeuvres in the Dark (alternately billed as OMD), an English electronic band OMD Worldwide, a global media agency network Orcs Must Die!, a strategy video game Spider-Man: "One More Day", a 2007 four-part Spider-Man comic book crossover storyline

Religion Ordo Frati Excalceatorum de B.M.V. de Mercede, the Discalced Mercedarians, Catholic religious order Clerics Regular of the Mother of God of Lucca members use the suffix of O.M.D.

Ohio-Meadville District

Other uses Olympus OM-D series of digital cameras One Million Degrees, a Chicago educational charity Ormond railway station, Melbourne