The meaning of the Acronym OSR is...

OSR is

• Old Spanish Road
• Outreach Student Representative
• Ontario Student Record
• Optical Solar Reflector

More Meanings For OSR:

• Over-Sampling Ratio
• Organization Of Student Representatives
• Open Systems Resources, Inc.
• Organization Systems Renewal
• Office of School Readiness
• Operating System Resource
• Oem Service Release
• Oil Spill Response
• Operations Support Room
• Old Spanish Road
• Outreach Student Representative
• Ontario Student Record
• Optical Solar Reflector
• Ostrava, Czech Republic

OSR is also in:

• Airport Codes
• Educational
• Electronics
• Environmental
• Firms
• General
• NASA
• Software
• Unfiled
• Universities