David E. Quantock is a retired Lieutenant General of the United States Army who served as Inspector General of the United States Army from 2014 to 2018.

After the Abu Ghraib incident, in early 2004, then Colonel Quantock was called in as commander of the 16th Military Police Brigade to relieve the 800th Military Police Brigade.

Quantock relieved Brigadier General Janis Karpinski on 14 January 2004,[2] and was given responsibility to break down and rebuild the Abu Ghraib prison during the sensitive media frenzy that followed the revelations of abuse by members of the 800th.

Quantock graduated from Norwich University with a Bachelor of Science degree in criminal justice in 1980.

He holds a Master of Science degree in computer science from the Naval Postgraduate School, a Master of Public Administration degree from Troy State University, and a Master of Science in strategic studies from the United States Army War College.