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