| Kasey Warner | |
| Office: | United States Attorney for the Southern District of West Virginia |
| Term Start: | 2001 |
| Term End: | 2005 |
| President: | George W. Bush |
| Predecessor: | Rebecca Betts |
| Birth Name: | Karl Kudrian Warner II |
| Profession: | Attorney |
| Relations: | Mac Warner (brother) |
| Alma Mater: | U.S. Military Academy (BA) JAG School, University of Virginia |
| Allegiance: |  United States |
| Rank: | Colonel |
| Unit: | J.A.G. Corps |
| Serviceyears: | 1974–2001 |
Karl Kuldrian "Kasey" Warner II is an American attorney who served as the United States Attorney for the Southern District of West Virginia.
Kasey Warner graduated from United States Military Academy at West Point in 1974. Warner then graduated from the West Virginia University School of Law in 1980. Warner attended JAG School at the University of Virginia and entered U.S. Army JAG Corps.[1]
Warner was a Multinational Force Staff JAG at Port-au-Prince, Haiti from 1994 until 1995. He served as a Deputy Legal Counsel to the Chairman of the Joint Chiefs of Staff. George W. Bush appointed him as a United States Attorney in 2001. He retired from active duty military service in 2001 to accept appointment as United States Attorney. In 2005, Warner one of the U.S. attorneys who were fired by the Bush administration under a clause of the PATRIOT Act in the Bush Administration U.S. Attorney Dismissal Controversy.[2]