DMO may refer to:
Government Debt Management Office (disambiguation), several government agencies Defence Materiel Organisation, a former agency of the government of Australia Dutch Defence Materiel Organisation, now the Materiel and IT Command Destination Management Organization, a program of the government of Indonesia; see Tourism in Indonesia#Destination Management Organization Directorate of Military Intelligence (United Kingdom), a position at the UK War Office District Municipal Office, see municipal governance in India
Entertainment Digimon Masters Online, a massively multiplayer online role-playing video game Warhammer 40,000: Dark Millennium Online, a multiplayer role-playing video game DMO, a character who first appeared in the episode "Be More" of the animated series Adventure Time
Other uses Destination marketing organization, an organization that promotes a place in order to increase the number of visitors Dilute magnetic oxide, a type of functional semiconducting oxide with applications in Spintronics DirectX Media Objects, a multimedia software API from Microsoft Domodedovo Airlines, a former airline, headquartered at Domodedovo International Airport in Moscow Kemezung language, a language native to Cameroon with ISO 639-3 code dmo