ACCA may refer to:
- Biology
- Acetyl-CoA carboxylase
- Business
- American Corporate Counsel Association, now Association of Corporate Counsel (ACC), is a group for attorneys who practice in the legal departments of corporations, associations and other private-sector organizations
- Association of Chartered Certified Accountants, a UK based accountancy body which offers the Chartered Certified Accountant qualification worldwide
- Christianity
- Anglican Catholic Church in Australia
- Antiochian Catholic Church in America, one of the Independent Catholic Churches
- Cryptography
- Adaptive chosen-ciphertext attack
- Law
- Armed Career Criminal Act
- Sports
- Association of Christian College Athletics, an organization of collegiate athletics, usually smaller Christian schools or Bible Colleges.