美国保管联邦政府档案文件的机构 。1934 年建立 ，直属联邦政府，馆长由总统任命。1949年改属美国国家档案与文件局。馆址在华盛顿。馆藏档案截至1984年达 140万立方英尺，计有约30亿页原件、14万卷影片、500万张照片、200万幅地图和图表、20万件建筑和工程设计图、11万件录音档案、800 万张宇航照片 。1968 年在费城、芝加哥、堪萨斯、西雅图等11个城市建立分馆，保存联邦政府在地区性活动中产生的档案文件和国家档案馆馆藏中对地方研究有价值的档案缩微副本。国家档案馆及其分馆均向社会开放，已出版 6部档案馆指南。Custody of the United States federal government archives institution. 1934 established directly under the federal government, the curator appointed by the President. 1949 belonged to the U.S. National Archives and Records Administration. Locations in Washington. As archives in 1984 amounted to 1.4 million cubic feet, total about 3 billion originals, 14 rolls of film, 5 million photographs, 2 million maps and charts, 200,000 architectural and engineering design drawings, 110,000 audio files , 8000000 aerospace photos. 1968 in Philadelphia, Chicago, Kansas City, Seattle and other cities to establish 11 branches and save the federal government in regional activities in the resulting file in the file and the National Archives of valuable files on local microfilm copy. National Archives and its branches are open to the community, has published six Archives Guide.