The meaning of the Acronym OAA is...

OAA is

• Old Age Assistance
• Over The Air Activation
• Otaku Anime Academy

More Meanings For OAA:

• OxAloAcetate
• Office of Academic Affairs
• Ogden, Allen, and Associates
• Oriental Astronomical Association
• Ontario Association Of Archers
• Open Agent Architecture
• Orbiter Alternate Airfield
• Orbiter Access Arm
• Old Age Assistance
• Over The Air Activation
• Otaku Anime Academy

OAA is also in:

• Chemistry
• Firms
• General
• NASA
• Professional Organizations
• Sports
• Unfiled
• Universities