Olver has been a staunch opponent of the United States involvement in Iraq, and opposed a United States military presence in Iraq since the 2002 authorization for the use of force in Iraq. Olver has advocated for the removal of U.S. troops from Iraq, and has consistently voted against proposals to increase funding for military operations and increased deployment. Olver stated that he believes that the United States should seek out a political solution in cooperation with the states neighboring Iraq, such as Iran and Syria, rather than pursuing a strategy based primarily on military means in order to create a stable and democratic Iraq.