The meaning of the Acronym OA is...

OA is

• Oil Air
• Ogie Alcasid
• Office Automation
• Olympic Arms
• Overs Average
• Omar Ahmed
• Obadiah Abbe
• Opperate Annihilate
• Opposites Attract
• Original Arranged
• Overeaters And
• Outdoor Adventure
• Optical Amplifier
• Other Approval
• Other Auctions
• Original Artist
• Oben Angef
• Other Adjustment
• Orange Arsenal
• Ordered Application

More Meanings For OA:

• Organic Acid
• Orthogonal Array
• Office of Administration
• Overzealous Academy
• Outreach and Admissions
• Oriental Adventures
• Olympic Airways
• Operations Assistant
• Offer Accepted
• Operation Administrations
• Office of Audit
• Over Actor
• Overeaters Anonymous
• Over Acting
• Order of the Arrow

OA is also in:

• Educational
• Electronics
• Firms
• Mathematics
• Media
• Non-Profit Organizations
• Ocean Science
• Performing Arts
• Positions
• Scouting
• Universities