ODP

• Office Depot, an office-supply retail chain
• Opening Day Partners, a baseball team owner

• Observer Design Pattern, a software design pattern
• On Device Portal, a mobile application as service portal or content portal
• Open Directory Project, a Web directory; later renamed to DMOZ
• OpenDocument Presentation, a standard mobile electronic office documents file format with file extension {{code|.odp}}
• OpenDataPlane, a set of application programming interfaces for the networking data plane

• Ökologisch-Demokratische Partei (Ecological Democratic Party), a German political party
• Özgürlük ve Dayanışma Partisi (Freedom and Solidarity Party), a Turkish political party
• Oromo Democratic Party, a political party in Ethiopia

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• Ocean Drilling Program, an international research project
• Operating department practitioner, a perioperative care co-ordinator in UK hospitals
• Ozone depletion potential, in chemistry and pollution

• Obstacle departure procedure, IFR standard instrument departure procedures in aviation for obstacle clearance
• Omega Delta Phi, multicultural fraternity founded in the United States in 1987
• Orderly Departure Program, a program to resettle Vietnamese refugees in the United States

• ÖDP (disambiguation)
• RM-ODP, reference model of open distributed processing

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