OMB

OMB is a three-letter abbreviation which may stand for:

• Office of Management and Budget, a group that oversees the activities of federal agencies in the United States
• Owner Managed Business, small and medium enterprises
• Olympiade Mathématique Belge, the Belgian Mathematical Olympiad, a mathematical competition
• Ontario Municipal Board, a tribunal involved in municipal and planning matters of Ontario, Canada
• Our Miss Brooks, an American situation comedy, starred Eve Arden
• Marine Modeling and Analysis Branch, formerly Ocean Modeling Branch, a US weather & environment agency
• Oregon Marching Band, the marching band for the University of Oregon in Eugene, Oregon, United States
• OpenMicroBlogging, the standard that allows for micro-blogging services to interoperate
• Oscar Marine Brandi, the Madrid based Design studio run by Oscar Marine

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