The meaning of the Acronym RSO is...

RSO is

• Round, Square, and Oval
• Retirement Services Officer

More Meanings For RSO:

• Rectified Skew Orthomorphic
• Registered Student Organization
• Rochester Student Organization
• Roger & Sherry Olsen Livestock
• RIMCO Support Office
• Robert Stigwood Organization
• Round, Square, and Oval
• Retirement Services Officer
• Roanoke Symphony Orchestra
• Rapid Scan Operation
• radiation safety officer
• Reconnaissance Systems Officer
• Reconnaissance and Surveillance Operation
• Regional Support Organization
• Range Safety Officer

RSO is also in:

• FDA
• Firms
• General
• Mathematics
• Military
• Music
• NASA
• Positions
• Universities