SAB may stand for:
In businesses:
- Sabena, a former airline company
- The School of American Ballet in New York City
- SAB, a French Core Banking company
- South African Breweries
- Shipping Association of Barbados
In literature:
- Sab (novel), by Gertrudis Gomez de Avellaneda
Others
- SAB, Sgarrista Air Brigade
- SAB TV, an Indian general television channel
- Sab The Artist aka Musab, an American recording artist
- SAB, the International Air Transport Association airport code for the Juancho E. Yrausquin Airport on the Caribbean island of Saba
- Sab, spontaneous abortion
- SAB, a web design group in Iran (Saeed Asgharzadeh Bonab)
- Surinaamse Atletiek Bond, the Suriname Athletics Federation
- Sab, a nickname for the name Sabrina (given name)