IOA Stands for More Than You Might Think

According to Wikipedia, the International Ombudsman Association is the primary definition of IOA. However the acronym also stands for:

• Indian Olympic Association
• Institute of Acoustics
• Institute of Astronomy
• Irish Orienteering Association
• Indiana Optometric Association
• International Ozone Association
• International Ornithological Association
• International Ostomy Association
• Institute of Acoustics
• Institute of Astronomy
• Institute of Outdoor Advertising
• Ioannina, Greece (airport code)

(Wikipedia; Acronym Finder.)

Now you know.