River with B
- Brahmaputra
- black river
- Black
- Bosna
- Beas
- Bog River
- Brown
- Boise
- Boston river
- Blue Nile
- Blue river
- Bengal
- Bhramaputra
- bean river
- Brazos
- brown river
- Boyne
- Boardman River
- bear creek
- Bear river
- bravo
- Baltimore River
- Brent
- Baltimore
- Big Vermillion
- Beach
- Back creek
- Bode
- bogota
- Bile
- Belize
- Brooklyn river
- banas
- Bramhaputra
- Bangladesh
- Bhramputra
- Bass
- Bronx
- Bean
- Boy
- Basin
- bay
- Bill
- Boise river
- Bay of bengal
- Bodensee
- ball
- bog
- Bourne
- bengal river
- Bengali
- bug
- Bhagirathi
- Baby
- Barrow
- Brandywine
- brook
- Banas River
- berlin
- Banksy
- Buffalo River
- bosnia
- Bahamas
- Blackwater
- boardman
- bad river
- Babuna
- Bass River
- bad
- butt
- Brisbane River
- bangladesh river
- Babylon river
- ben
- Buna
- baron
- Bell
- Benue
- baltic
- Bore
- Brigach
- Banana river
- blood
- Bosphorus
- Bow river
- Buriganga
- Bee
- Bison
- Best
- Betwa
- broad river
- Bohemia
- Back River
- Brda
- beni
- bojana
- Bruce
- bongo
- Ban
- Bason
Slova v seznamu River with B pochází od hráčů slovní hry Jméno, město, zvíře, věc.