OSM

• OpenStreetMap, an open source project to develop free geographic data
• OpenStreetMap Foundation, a British non-profit foundation
• OsmAnd, a map and navigational application for Android and iOS based on data from OpenStreetMap
• Open Service Mesh, a free and open source cloud native service mesh

• Austrian Student Mission ({{lang|de|Österreichische Studentenmission}})
• Office of Surface Mining, a branch of the US Department of the Interior
• OSM TV, a Bosnian commercial television channel
• Montreal Symphony Orchestra ({{lang|fr|Orchestre Symphonique de Montréal}}), a Canadian symphony orchestra

• Oncostatin M, a protein
• Osmole (unit), a unit of osmotic concentration
• Osmotic avoidance abnormal protein, for example OSM-9

• Honda OSM, a 2008 Japanese concept sports car
• Mosul International Airport, Iraq, IATA airport code
• OS-M, a series of space launch rockets from OneSpace

• Operational Service Medal (disambiguation), multiple campaign medals
• Order of the Secret Monitor, an appendant order of Freemasonry
• O.S.M., the post-nominal letters used by members of the Servite Order
• OSM Worldwide a parcel delivery service

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