VAD may refer to:

• Vascular dementia (VaD), dementia caused by problems in the supply of blood to the brain
• Vertebral artery dissection, the development of a flap-like tear in the vertebral artery
• Ventricular assist device, a mechanical circulatory device used to replace the function of a failing heart
• Vitamin A deficiency, a lack of vitamin A in humans
• Vincristine, Adriamycin (doxorubicin), Dexamethasone; a chemotherapy regimen used for multiple myeloma
• Voluntary assisted dying (disambiguation)

• Voluntary Aid Detachment, a voluntary organisation providing field nursing services in the British Empire
• VÄD (vodka), an American vodka
• Voice activity detection, a technique in which the presence or absence of human speech is detected
• Voice-Activated Dialling, speech recognition to identify the destination for a telephone call in interactive voice response
• Velocity-Azimuth Display, a technique used to estimate vertical and horizontal components of atmospheric wind vectors from a radar

• Vad (disambiguation)

This disambiguation page lists articles associated with the title VAD.
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