The Association for Computing Machinery (ACM) is the world's oldest and largest educational and scientific computing society. It is a major force in advancing the skills of computing professionals and students in more than 100 countries in all areas of industry, academia, and government worldwide.

It was founded in 1947 for the purposes of advancing the sciences and arts of information processing (IP), promoting the free interchange of IP among specialists and the public, and developing and maintaining the integrity and competence of IP practitioners.