| Honorific Prefix: | Leader |
| Khalid Ali bin-Ali al-Hajj | |
| Birth Date: | 1973 |
| Death Date: | March 15, 2004 |
| Death Cause: | Saudi Security Forces |
| Other Names: | Abu-Hazim al-Sha'ir |
| Organization: | Al-Qaeda in the Arabian Peninsula |
| Notable Works: | Saudi Most Wanted Riyadh compound bombings |
| Predecessor: | Yusef al-Ayeri |
| Successor: | Abdel Aziz al-Muqrin |
| Opponents: | Saudi Arabia |
Khalid Ali bin-Ali al-Hajj (; 1973 – March 15, 2004), also known as Abu-Hazim al-Sha'ir, was an alleged leader of Al-Qaeda listed on Saudi Arabia's Most Wanted list.
Al-Hajj was a colleague of Osama bin Laden in Afghanistan in 1997.[1] In addition, al-Hajj replaced Abd al-Rahim al-Nashiri, the mastermind of the USS Cole bombing, as the leader of an Al-Qaeda faction.[2] Al-Hajj was reportedly killed on March 15, 2004, by Saudi security forces.[3]