| Blake Chant | Germany | - | - | T10 |
| Blake Coburn | New Zealand | right-hand-bat | slow-left-arm-orthodox | 4day, List A, T20 |
| Blake Cullen | England | right-hand-bat | - | , 100-Ball, 4day, List A, ODI, T20, Youth ODI |
| Blake Dean | Australia | right-hand-bat | right-arm-offbreak | - |
| Blake Edwards | Australia | right-hand-bat | right-arm-fast-medium | 4day, List A |
| Blake Macdonald | Australia | right-hand-bat | right-arm-fast-medium | 4day, List A, T20 |
| Blake Maher | Australia | - | - | - |
| Blake Nikitaras | Australia | left-hand-bat | - | 4day, List A, T20 |
| Blake Simpson | South Africa | right-hand-bat | right-arm-fast-medium | T10 |
| Blayde Capell | South Africa | left-hand-bat | - | T20 |
| Blessing Muzarabani | Zimbabwe | right-hand-bat | right-arm-fast-medium | 4day, ODI, T10, T20, T20I, Test/5day |
| Boadicea Lynch | New Zealand | right-hand-bat | right-arm-fast-medium | - |
| Bob Channe | India | right-hand-bat | - | T10 |
| Bobby Patel | India | right-hand-bat | right-arm-fast-medium | T10 |
| Bobby Yadav | India | right-hand-bat | right-arm-fast-medium | T20 |
| Bodapati Sumanth | India | right-hand-bat | right-arm-fast-medium | T20 |
| Boddupalli Amit | India | - | - | T20 |
| Bodhala Kumar | India | left-hand-bat | slow-left-arm-orthodox | T20 |
| Bogapurapu Swaroop | India | - | - | T20 |
| Bogdan Dugic | Serbia | right-hand-bat | right-arm-fast | T10, T20I |
| Boio Ray | Papua New Guinea | - | - | Youth ODI |
| Boney Sebastian | Australia | - | - | T20 |
| Bonga Chepkonga | South Africa | - | right-arm-fast-medium | - |
| Bongi Mfunelwa | South Africa | right-hand-bat | - | - |
| Bongile Mfunelwa | South Africa | right-hand-bat | - | - |
| Bonnie Berry | Australia | - | - | T20 |
| Bony Eldhose | India | - | - | - |
| Boopathi Kumar | India | left-hand-bat | - | T20 |
| Boopathi Vaishna Kumar | India | - | - | T20 |
| Boris Cetnikovic | Italy | - | - | - |
| Boris Gorlee | Netherlands | right-hand-bat | right-arm-offbreak | ODI, T10 |
| Boris Hoes | Netherlands | right-hand-bat | right-arm-fast | T10 |
| Borislav Metodi | Bulgaria | - | - | T10 |
| Bose Paul | Malta | right-hand-bat | right-arm-fast-medium | T10 |
| Boyd Rankin | Ireland Republic | left-hand-bat | right-arm-fast-medium | ODI, T20, T20I, Test/5day |
| Boyko Heralanov Ivanov | Bulgaria | right-hand-bat | right-arm-fast-medium | T10, T20I |
| Boyko Ivanov | Bulgaria | right-hand-bat | right-arm-fast-medium | T10 |
| BR Sharath | India | right-hand-bat | - | T20 |
| Bracie Browne | West Indies | - | - | T10 |
| Brad Davis | Australia | right-hand-bat | right-arm-fast-medium | 4day |
| Brad Evans | Zimbabwe | right-hand-bat | right-arm-fast-medium | ODI, T10, T20, T20I, Test/5day |
| Brad Haddin | Australia | right-hand-bat | - | T20 |
| Brad Hodge | Australia | right-hand-bat | right-arm-offbreak | T20 |
| Brad Hogg | Australia | left-hand-bat | slow-left-arm-orthodox | - |
| Brad Schmulian | New Zealand | right-hand-bat | right-arm-fast-medium | 4day, List A, ODI |
| Brad Taylor | England | right-hand-bat | right-arm-offbreak | ODI, T20 |
| Brad Wheal | Scotland | right-hand-bat | right-arm-fast-medium | 100-Ball, 4day, List A, ODI, T20, T20I |
| Brad Wilson | New Zealand | right-hand-bat | right-arm-offbreak | T20 |
| Bradleey Constantine | England | right-hand-bat | right-arm-fast-medium | T10 |
| Bradley Constantine | Bulgaria | - | - | T10 |