The meaning of the Acronym OSO is...

OSO is

• Other Significant Others

More Meanings For OSO:

• Other Significant Others
• Office of Satellite Operations
• Office of Systems Operations
• Or Shittier Offer
• On Site Optimization
• Operating System Office
• Outperform Stock Options
• Operational Support Office
• Orbiting Solar Observatory
• Orbiting Solar Observatories
• Ocean Systems Operation
• Operational Support Officer
• Ostsüdost
• Oposición Sindical Obrera

OSO is also in:

• Adults
• Chat
• General
• German
• Meteorology
• Military
• NASA
• Ocean Science
• Police
• Spanish
• Stock Exchange
• Unfiled