Mab
- Queen Mab is a fairy of English folklore and a Shakespearean character.
- Mab is one of the moons of Uranus, named after Queen Mab.
- Mab Productions is a filming production, started by Matthew and Brent Robinson
- Mab is also one of the main characters in the famous webcomic DMFA (webcomic)
mAb as an abbreviation refers to:
- Monoclonal antibody, a molecular component of the vertebrate immune system and a type of biotechnology reagent and medical therapeutic