Claims regarding potential links between the Saudi government and the September 11, 2001, terrorist attacks have been the subject of extensive investigation and debate over the years. The attacks, which resulted in nearly 3,000 deaths, were carried out by the al-Qaeda terrorist network. Questions have persisted about whether any state actors, particularly elements within the Saudi government, provided support or assistance to the hijackers.

Several investigations, including those conducted by the U.S. government and independent bodies, have examined the possible involvement of Saudi officials. Some reports and allegations suggest that certain individuals connected to Saudi Arabia may have had contacts with the hijackers or provided financial support prior to the attacks. The extent to which the official Saudi government was aware of or involved in these activities remains a point of contention.

Saudi Arabia has consistently denied any involvement in the planning or execution of the attacks, maintaining that the country was itself a victim of terrorism. The Saudi government has also expressed willingness to cooperate with various investigations and to combat extremist groups.

Legal actions have been pursued by victims' families seeking to hold Saudi Arabia accountable, resulting in lawsuits and legislative efforts in the United States aimed at overcoming sovereign immunity protections. In contrast, Saudi officials and advocates argue that such claims are unfounded and politically motivated.

The issue continues to be a sensitive and complex matter in international relations and counterterrorism discourse, with calls for greater transparency and access to classified information to clarify the full scope of any connections. Despite numerous inquiries, definitive proof of direct Saudi government involvement in the 9/11 attacks has not been publicly established.