- Abercrombie, Neil
- Ackerman, Dick
- Adams, Bob
- Adams, John
- Adams, John Quincy
- Adkins, David
- Afflerbach, Roy
- Akaka, Daniel
- Alarcon, Richard
- Alexander, Gary
- Alexander, J.D.
- Alexander, Rodney
- Allard, Wayne
- Allen, Barbara
- Allen, Ben
- Allen, Bob
- Allen, George
- Allen, Ron
- Alquist, Elaine
- Amedori, Carmen
- Anderson, Bruce
- Anderson, Jack
- Anderson, Jim
- Andrews, John
- Annan, Kofi
- Argenziano, Nancy
- Armstrong, Mike
- Arnick, John S
- Arnold, Ken
- Arnold, Richard
- Arroyo, Gloria Macapagal
- Arthur, Chester Alan
- Assad, Bashar
- Astle, John C.
- Axelrod, David
