Posted in Government & Military, Science AGAA stands for Alte Gaussianer auf Abwegen AGAA stands for Academie Genevoise d’Armes Anciennes (Geneva, Switzerland) AGAA stands for Attitude Gyro Accelerometer Assembly AGAA stands for Algebraic Geometry, Algebra, and Applications AGAA stands for Amateur Golf Association of America, Inc. (est. 1993; Atlanta, GA)