The Full Form of AICPA is American Institute of CertifiedPublic Accountants.

The American Institute of Certified Public Accountants is the national professional organization of Certified Public Accountants in the United States, with more than 418,000 members in 143 countries in business and industry, public practice, government, education, student affiliates and international associates. 

the American Institute of CPAs, the world’s largest member association representing the accounting profession. Our history of serving the public interest stretches back to 1887. Today, you’ll find our 431,000+ members in 130 countries and territories, representing many areas of practice, including business and industry, public practice, government, education and consulting.