- Alphonso
- Alphonso of Cavadonga
- Alys
- Amalia
- Amalie of Wurttemberg
- Amanda
- Ambler
- Amelie
- Ament
- Amos
- Amy
- Anchises
- Anderson
- Andreas
- Andreas of Leiningen
- Andrej of Yugoslavia
- Andrew
- Andrew of Greece
- Andrews
- Angell
- Anje
- ? (b. 19 Feb 1848, d. 30 Jan 1923)
- Ann
- Anna
- ?
- ?
- ? (b. 12 Oct 1884, d. 7 Nov 1962)
- ? (b. 1956)
- Anna Amelia
- Anna Maria
- Anna Pavlovna
- ? (b. 18 Jan 1795, d. 1 Mar 1865)
- Anne
- ? (d. 1075)
- ?
- ? (d. 1476)
- ?
- ?
- ? (b. 2 Nov 1475, d. 23 Nov 1511)
- Anne of Bohemia
- ? (b. 11 May 1366, d. bef 3 Jun 1394)
- Anne of Bourbon-Parma
- Anne of Burgundy
- Anne of Cleves
- ? (b. 22 Sep 1515, d. 17 Jul 1557)
- Anne of Denmark
- ? (b. 14 Oct 1574, d. 4 Mar 1619)
- Anne of Gloucester
- Anne of Kiev
- ? (b. abt 1024, d. abt 1066)
- Anne Sophia
- ? (b. 12 May 1686, d. 2 Feb 1687)
- Anne-Marie of Denmark
- Annis
- Ansgarde
- Anthony
- Antoinette of Luxembourg
- Archer
- Aribert of Anhalt
- Arlette
- Armistead
- Armstrong
- Armstrong-Jones
- Arnold
- Ashburnham
- Ashby
- Ashley
- Ashtley
- Ashton
- Aspinwall
- Atheling
- Atherold
- Atkinson
- Aucoin
- Audley
- Augusta
- Augusta Caroline
- Augusta of Hesse-Cassel
- Augusta of Saxe-Gotha
- ? (b. 30 Nov 1719, d. 8 Feb 1772)
- Augusta of Saxe-Weimar
- Augusta of Schleswig-Holstein
- ? (b. 22 Oct 1858, d. 11 Apr 1921)
- Augustus William
- ? (b. 1722, d. 1758)
- ? (b. 1887, d. 1949)
- Austin
- Axel of Denmark
- Aychia IV
- ? (b. abt 740, d. aft 781)
- Aylesbury
- Aylesford
- Ayscough
- Ayton
- Baade
- Baber
- Bacon
- Badlesmere
- Baenkler
- Bagley
- Bailey
- Bainbridge
- Baines
- Baird
- Baker
- Baldwin
- Ball
- Ballard
- Ballengar
- Ballinger
- Bangs
- Barber
- Bardolf
- Bardolph
- Bargfrede
- Bariatinsky
- Baring
- Barker
- Barnard
- Barnes
- Barnett
- Barr
- Barrington
- Barron
- Bartleson
- Barton
- Baseman
- Baskett
- Basset
- Bassett
- Bates
- Baudouin I of the Belgians
- Baughman
- Bauscher
- Bayley
- BayleySherburne
- Bayliss
- Baynard
- Bayne
- Beaky
- Bean
- Beaton
- Beatrice
- ?
- ? (b. 1286)
- ? (b. 1884, d. 1966)
- ? (b. 1909)
- Beatrice Mary Victoria
- ? (b. 14 Apr 1857, d. 26 Oct 1944)
- Beatrice of Savoy
- Beatrix of Netherlands
- Beauchamp
- Beauclerk
- Beaufort
- Beavers
- Bechi
- Becket
- Beckett
- Becky Jo
- Bedford
- Bee
- Beekman
- Begga
- Beigler
- Bekes
- Belcher
- Bell
- Bellasyse
- Belle
- Belt
- Belted Will
- Benedikte
- Benham
- Benjamin
- Bennet
- Bennett
- Bennish
- Benton
- Beranger
- Berengaria
- Berengaria of Castile
- Berenguela of Barcelona
- Berg
- Bergstrom
- Berkeley
- Berl
- Bermudo II
- Bernard
- Bernard of Saxe-Meiningen
- Bernhard of Lippe-Biesterfeld
- Berry
- Berryhill
- Bert
- ? (b. 18 Sep 1897, d. 1972)
- Bertha
- Bertha of Holland
- Bertha of Laon
- Berthold of Baden
- Bertie
- Bertil
- Bertil Gustaf Oscar
- Bertrand
- Besch
- Bess
- ? (b. 13 Feb 1885, d. 20 Oct 1982)
- Bethel