AOA

Aoa, AOA,or AoA may refer to:

• 'Aoa, American Samoa
• American Osteopathic Association, a medical association
• American Outlaws Association, a motorcycle club
• Automated online assistant, a program that attempts to assist users
• Andrews Osborne Academy, a school
• Adam-Ondi-Ahman, a sacred location for the Latter Day Saints
• Assalam-O-Alaikum, a variant of the greeting As-Salamu Alaykum
• Axial offset anomaly, a type of nuclear plant fouling