| One of the Angels | 17 |
| One of the angels on "Charlie's Angels" | 53 |
| One of the anniversaries | 24 |
| One of the Antilles | 19 |
| One of the ants | 15 |
| One of the Apodes | 17 |
| One of the apostles | 19 |
| One of the apostles: Abbr. | 26 |
| One of the archangels | 21 |
| One of the Argonauts | 20 |
| One of the Arkins | 17 |
| One of the Army brass | 21 |
| One of the Arnazes | 18 |
| One of the Arquettes | 20 |
| One of the Arroes | 17 |
| One of the arts | 15 |
| One of the arums | 16 |
| One of the ASPCA's "Ways to Help" | 47 |
| One of the Astaires | 19 |
| One of the asteroids | 20 |
| One of the Astors | 17 |
| One of the astronauts | 21 |
| One of the Austrians | 20 |
| One of the authors in the game Authors | 38 |
| One of the “Star Trek” series, to fans | 46 |
| One of the B vitamins | 21 |
| One of the B's | 18 |
| One of the B's in ABBA | 26 |
| One of the B's in B & B | 31 |
| One of the B-complex vitamins | 29 |
| One of the Baalim | 17 |
| One of the Bachs | 16 |
| One of the back 40 | 18 |
| One of the back 40, perhaps | 27 |
| One of the back forty | 21 |
| One of the Bacon Brothers | 25 |
| One of the Baers | 16 |
| One of the Bahamas | 18 |
| One of the Baldwin boys | 23 |
| One of the Baldwin brothers | 27 |
| One of the Baldwins | 19 |
| One of the Baldwins? | 20 |
| One of the Baleares | 19 |
| One of the Balearic Islands | 27 |
| One of the Balearics | 20 |
| One of the Balkan States | 24 |
| One of the Balkans: Abbr. | 25 |
| One of the Baltic states | 24 |
| One of the Baltics | 18 |
| One of the Baltimore Ravens' mascots | 40 |
| One of the Barbary States | 25 |
| One of the Barrymores | 21 |
| One of the bases | 16 |
| One of the basic tastes | 23 |
| One of the Bayhs of Indiana | 27 |
| One of the Beach Boys | 21 |
| One of the Bears | 16 |
| One of the Beatles | 18 |
| One of the Beatles' song girls | 34 |
| One of the Belafontes | 21 |
| One of the believers | 20 |
| One of the Bentley boys | 23 |
| One of the Berenstain Bears | 27 |
| One of the Berenstains | 22 |
| One of the Bermudas | 19 |
| One of the Bernoullis | 21 |
| One of the Beverly Hillbillies | 30 |
| One of the Biblical wise men | 28 |
| One of the Big 12 | 17 |
| One of the Big Four record labels | 33 |
| One of the Big Four record labels, until it became the Big Three | 64 |
| One of the big leagues | 22 |
| One of the big seven | 20 |
| One of the Big Three at Yalta | 29 |
| One of the Big Three in credit reports | 38 |
| One of the Big Three of science fiction | 39 |
| One of the Big Three, for short | 31 |
| One of the biggest fights in boxing history | 43 |
| One of the bills | 16 |
| One of the birds that "come back to Capistrano," in song | 66 |
| One of the black keys | 21 |
| One of the black keys on a piano | 32 |
| One of the Blues Brothers | 25 |
| One of the Bobbitts | 19 |
| One of the Bobbsey clan | 23 |
| One of the Bobbsey Twins | 24 |
| One of the Bobbsey twins of fiction | 35 |
| One of the Bobbseys | 19 |
| One of the Bond portrayers | 26 |
| One of the Bonds | 16 |
| One of the Bonin Islands, for short | 35 |
| One of the books in the Book of Mormon | 38 |
| One of the Books of Wisdom | 26 |
| One of the Borgias | 18 |
| One of the Bosox | 16 |
| One of the Bowls | 16 |
| One of the Boyers of baseball | 29 |
| One of the Boyers of summer | 27 |
| One of the Boys of Summer | 25 |
| One of the Brady boys | 21 |