| Name | Meaning | Gender | Origin |
|---|
| Barney | Comforter
| Male | English |
| Bartholomew | furrow, hill | Male | Aramaic |
| Basket | Gertrude Stein's two dogs of the same names. They are described in works that Stein wrote in France during the period of the German occupation (1940-1945).
| Male | |
| Baxter | baker | Male | English |
| Beau | Handsome.
| Male | |
| Bebop | | Unisex | Hebrew |
| Belvedere | after a freeway exit in Marin County, CA | Male | Italian |
| Bengal | | Unisex | Hebrew |
| Bernie | Brave As A Bear | Unisex | German |
| Bing | From the kettle shaped hollow
| Male | |
| Black Magic | | Unisex | Hebrew |
| Blackie | Of the colour black. | Unisex | |
| Blaze | Lisp: stutter. Blaise Pascal was a brilliant seventeenth century child prodigy: mathematician: scientist and philosopher who invented the calculating machine and hydraulic press before dying at age thirty-nine.
| Male | Latin |
| Blur | | Male | Hebrew |
| Bogie | | Male | Hebrew |
| Bongo | Connected drums played by beating with hands. | Unisex | |
| Bootsie | Collins Pussycat | Unisex | |
| Bosco | | Male | Hebrew |
| Brady | large-chested | Male | Irish |
| Brahms | | Male | Hebrew |
| Brodie | From Brodie
| Male | Scottish |
| Bryson | Variant of Bryce.
| Male | English |
| Bugsy | | Male | Hebrew |
| Busybody | | Male | |
| Buzby | | Male | Hebrew |