- American Sunrise1
- American Tobacco Company1
- American Veterans Committee2
- Amtrak33
- Anderson, Ben L., Jr., 1943-1
- Anderson, Earl Edward1
- Anderson, H. W.1
- Andrus, Cecil D., 1931-20172
- Ann Lee and Associates1
- Annunzio, Frank1
- Apache Indians26
- Apache Nation12
- Apache Tribe of Oklahoma129
- Appalachian Regional Commission56
- Aquino, Corazon Cojuangco1
- Architectural and Transportation Barriers Compliance Board2
- Arends, Leslie C. (Leslie Cornelius), 1895-1985136
- Argel, Laurel Lynn1
- Ariyoshi, George R., 1926-6
- Armenian Assembly1
