Dahiya, or variants, may refer to:
- Dahiya (surname), an Indian Jaat surname
- Dahae, an Iranian confederation
- Dahia (title), derived from Dey
- Dahieh, a suburb of Beirut, Lebanon
- Dihya, or Kahina, a Berber warrior queen
- Dahije, or Dahijas, renegade Janissary officers who took power in the Sanjak of Smederevo
- Dahiya doctrine, a military strategy of asymmetric warfare, which encompasses the destruction of the civilian infrastructure and endorses the employment of disproportionate force
- Dahiya Khap, an Indian body representing Jats