GAAP or gaap may refer to:
Accounting
- Generally accepted accounting principles, a standard framework of guidelines for financial accounting
- Generally Accepted Accounting Principles (Canada)
- Generally Accepted Accounting Practice (UK)
- Generally Accepted Accounting Principles (United States)
- French generally accepted accounting principles
- Russian GAAP
Other uses
- Golgi anti-apoptotic protein
- Gaap, a goetic demon
- Gruppi Anarchici d'Azione Proletaria, an anarchist grouping in 1950s Italy
