Adab or ADAB may refer to:

Places

• Adab (city), a city of ancient Sumer
• `Adab, a village in Yemen
• Al Dhafra Air Base, a military installation of the United Arab Emirates Air Force near Abu Dhabi, UAE

Literary and cultural use

• Adab (Islam), the category of Islamic law dealing with etiquette
• Adab (literature), the classical Islamic literature of medieval Asia
• Adab (gesture), a greeting gesture traditionally used by Muslims of South Asia

Media

• Al Adab, Arabic online literary magazine in Beirut, Lebanon

Organizations

• Australian Development Assistance Bureau, predecessor of Australian Aid, Australia's foreign aid program

Surname

• Misbaholdiwan Adab, a Kurdish poet