AD-5
# AD-5

AD-5 or variation, may refer to:

* AD 5, the 5th year of the Common Era
* USS Prairie (AD-5), an auxiliary cruiser of the U.S. Navy
* Douglas AD-5 Skyraider, fighter-bomber airplane
* AD5 experiment "ALPHA" at the CERN Antiproton Decelerator ring; an antimatter physics experiment
* Ad5, adenovirus serotype 5, a virus commonly used as a recombinant virus therapy vector (rAd5)
* Alzheimer's disease, stage 5
* Alzheimer's Disease 5, a familial variant of Alzhemier's; see List of OMIM disorder codes
