The meaning of the Acronym OGA is...

OGA is

• On Good Authority
• One Goofy Asian

More Meanings For OGA:

• Ozone Gas Analyzer
• Online Graphics Associates
• Oregon Geographic Alliance
• New Hampshire Old Graveyard Association
• Outdoor Guides Association
• On Good Authority
• Ohio Glass Association
• Online Gamers Association
• Oregon Golf Association
• Oregon Gymnastics Academy
• On Good Authority
• One Goofy Asian
• Outer Gimbal Axis
• Outer Gimbal Angle
• Other Government Agency

OGA is also in:

• Firms
• Media
• Meteorology
• Military
• NASA
• Non-Profit Organizations
• Professional Organizations
• Sports
• State and Local