Bacillus Spray
Bajoran Shrimp
Bajorans
Ba'ku
Balduk Warriors
Bamboo
Ba'Neth
Bandi
Baneans
Beneriam Hawk
Bardakian Pronghorn Moose
Barkonians
Barolians
Barrowbug
Barzans
Bat
Beauregard
Belzoidian Flea
Benthans
Benzites
Berellians
Berserker Cat
Beta Renner Cloud
Beta XII-A Entity
Betazoids
Bok-rat
Bolians
B'omar
Boraalans
Borg
Borgia Plant
Boslics
Botha
Breen
Brekkians
Bringloidi
Briori
Brunali
Bunny Rabbit
Bynars
Bardeezans
Bre'ellians
Buronian
Byzallians
budding species
Betelgeuseans
Bzzit Khaht
Bilanaian
Benkaran