Abbot—Anthon
- Abbott, Samuel Warren
- Abrams, Edward Thomas
- Ackley, Horace A.
- Adams, Frederick Whiting
- Adams, Horatio
- Adams, Zabdiel Boylston
- Agassiz, Jean Louis Rudolph
- Agnew, Cornelius Rea
- Agnew, David Hayes
- Ahern, Michael Joseph
- Alcott, William Alexander
- Alden, Ebenezer
- Alexander, Ashton
- Alexander, James Franklin
- Alexander, Nathaniel
- Alexander, Samuel
- Allen, Charles Linnaeus
- Allen, Charles Warrenne
- Allen, Dudley Peter
- Allen, Harrison
- Allen, Jonathan Adams (1787–1848)
- Allen, Jonathan Adams (1825–1890)
- Allen, Jonathan Moses
- Allen, Nathan
- Allen, Peter
- Allen, Timothy Field
- Allison, Richard
- Almon, Thomas R., see Almon, William Johnston
- Almon, William James
- Almon, William Johnston
- Alter, David
- Althof, Hermann
- Ambler, James Markham Marshall
- Amory, Robert
- Anderson, Alexander
- Anderson, Turner
- Anderson, Washington Franklin
- Anderson, William
- Anderson, Winslow
- Andrade, Eduardo Penny
- Andrews, Edmund
- Andrews, George Pierce
- Andrews, Judson Boardman
- Angell, Anna A.
- Annan, Samuel
- Anthon, George Christian
Antisell—Barker
- Antisell, Thomas
- Antony, Milton
- Appleton, Moses
- Appleton, Nathaniel Walker
- Archer, John
- Ardagh, John
- Armor, Samuel Glasgow
- Armsby, James H.
- Arnold, Abram Blumenthal
- Arnold, Jonathan
- Arnold, Richard Dennis
- Asch, Morris Joseph
- Ash, John
- Ashby, Thomas Almond
- Ashhurst, John
- Ashmead, Albert Sydney
- Askew, Henry Ford
- Aspinwall, William
- Atkinson, Isaac Edmundson
- Atkinson, William Biddle
- Atlee, John Light
- Atlee, Washington Lemuel
- Atwood, Le Grand
- Awl, William Maclay
- Ayers, Edward A.
- Ayres, Daniel
- Ayres, Henry P.
- Ayres, S. C., see Ayres, Henry P.
- Bache, Franklin
- Backus, Frederick Fanning
- Bacon, David Francis
- Bacon, Francis
- Bagby, George William
- Baker, Alvah H.
- Baker, Frank
- Baker, Samuel
- Baker, William Henry
- Baldwin, William
- Bancroft, Frederick Jones
- Bancroft, Jesse Parker
- Bangs, Lemuel Bolton
- Bard, John
- Bard, Samuel
- Barker, Benjamin Fordyce
- Barker, Jeremiah
Barnes—Bellinger
- Barnes, Edwin
- Barnes, Joseph K
- Bartholow, Roberts
- Bartlett, Elisha
- Bartlett, John Sherren
- Bartlett, Josiah (1729–1795)
- Bartlett, Josiah (1759–1820)
- Barton, Amy Stokes
- Barton, Benjamin Smith
- Barton, Edward H.
- Barton, John Rhea
- Barton, William Paul Crillon
- Bartram, John
- Bartram, William, see Bartram, John
- Bassett, John Y.
- Batchelder, John Putnam
- Bates, James
- Battey, Robert
- Bauduy, Jerome Keating
- Baxley, Henry Willis
- Baxter, Jedediah Hyde
- Bayard, Robert, see Bayard, William
- Bayard, William
- Bayley, Richard
- Baylies, William
- Bayly, Alexander Hamilton
- Baynham, William
- Beach, Wooster
- Bean, Tarleton Hoffman
- Beard, Charles Heady
- Beard, George Miller
- Beardsley, Hezekiah
- Beaumont, William
- Beck, Carl
- Beck, John Brodhead
- Beck, Lewis Caleb
- Beck, Theodric Romeyn
- Bedford, Gunning S.
- Beech, John Henry
- Bell, Agrippa Nelson
- Bell, John
- Bell, Luther Vose
- Bell, Robert
- Bell, Theodore Stout
- Bellinger, John
Bellisle—Booth
- Bellisle, Henry
- Belt, Edward Oliver
- Bennett, Sanford Fillmore
- Benneville, George de
- Bernays, Augustus Charles
- Best, Robert
- Bettman, Boerne
- Beyer, Henry Gustav
- Biddle, John Barclay
- Bigelow, Henry Jacob
- Bigelow, Jacob
- Billings, John Shaw
- Bird, Robert Montgomery
- Black, Greene Vardiman
- Black, John Janvier
- Black, Rufus Smith
- Blackburn, Isaac Wright
- Blackburn, Luke Pryor
- Blackford, Benjamin
- Blackie, George Stodart
- Blackman, George Curtis
- Blackwell, Elizabeth
- Blackwell, Emily
- Blake, John George
- Blalock, Nelson Gales
- Blaney, James Van Zandt
- Blatchford, Thomas Windeatt
- Bleyer, Julius Mount
- Bliss, Arthur Ames
- Bobbs, John Stough
- Bodenhamer, William
- Bodine, James Morrison
- Bodley, Rachel L.
- Boerstler, George W.
- Bohune, Lawrence
- Boisliniere, Louis Charles
- Bolles, William Palmer
- Bond, Henry
- Bond, Thomas
- Bond, Thomas Emerson (1782–1856)
- Bond, Thomas Emerson (1813–1872)
- Bonine, Evan J.
- Bontecou, Reed Brockway
- Book, James Burgess
- Booth, Charles Miller