Baja California slider
Barbour's map turtle
Batagur
Batagurid turtles
Batagurine turtles
Beal's eyed turtle
Bell's hinge-back tortoise
Bengal black turtle
Berlandier's tortoise
Bibron's giant softshell turtle
Bicallosite softshell turtles
Big Bend slider
Big-headed Amazon river turtle
Big-headed Amazon river turtles
Big-headed turtle
Big-headed turtles
Biltong tortoise
Biuku
Black helmeted turtle
Black marsh turtle
Black marsh turtles
Black pond turtle
Black softshell turtle
Black spiny softshell turtle
Black spiny-necked swamp turtle
Black turtle
Black wood turtle
Black-backed twist-necked turtle
Black-bellied slider
Black-breasted leaf turtle
Black-knobbed map turtle
Black-rayed softshell turtle
Blanding's turtle
Blanding's turtles
Bog turtle
Bolson tortoise
Boulenger's padloper
Bourret's box turtle
Bowsprit tortoises
Box turtles
Brahminy river turtle
Brazilian radiolated swamp turtle
Brazilian slider
Brazilian snake-necked turtle
Brisbane short-necked turtle
Broad-shelled river turtle
Broadley's mud turtle
Brown roofed turtle
Brown tortoise
Brown wood turtle
Burma big-headed turtle
Burmese black tortoise
Burmese black turtle
Burmese eyed turtle
Burmese flapshell turtle
Burmese peacock softshell turtle
Burmese peacock softshell turtles
Burmese roofed turtle
Burmese star tortoise