In the United States government, the Bureau of Western Hemisphere Affairs (WHA) is a part of the U.S. Department of State, charged with implementing U.S. foreign policy and promoting U.S. interests in the Western Hemisphere, as well as advising the Under Secretary of State for Political Affairs.

The offices of the Bureau of Western Hemisphere Affairs direct, coordinate, and supervise U.S. government activities within the region, including political, economic, consular, public diplomacy, and administrative management issues.

[2][3] The Bureau of Western Hemisphere Affairs also oversees the United States Mission to the Organization of American States.

[2][3]