The meaning of the Acronym OAS is...

OAS is

• Office of Aircraft Services

More Meanings For OAS:

• Optimum Additive Solution
• Organization of American States
• Online Assessment System
• Office of Applied Studies
• Overpayments And Accounting Summary
• Overpayments And Accounting Summary
• Organization of American States
• Old Age Security
• Option Adjusted Spread
• On American Soil: How Justice Became a Casualty of World War II
• Oracle Application Server
• Office Administration System
• Operations Automation System
• Offensive Air Support
• Organization of American States

OAS is also in:

• Accounting
• Chemistry
• General
• International Business
• Media
• Military
• Mortgage
• Networking
• Ocean Science
• Software
• Stock Exchange
• Universities