River with B
- Brahmaputra
- black river
- Black
- Bosna
- Beas
- Bog River
- Brown
- Boise
- Boston river
- Blue Nile
- Blue river
- Bengal
- bean river
- Bhramaputra
- Brazos
- Advertisement
- Boardman River
- bear creek
- Boyne
- brown river
- Bear river
- bravo
- Brent
- Baltimore River
- Baltimore
- Back creek
- Beach
- Belize
- Brooklyn river
- Bode
- Bramhaputra
- Bile
- banas
- Bass
- Bronx
- Big Vermillion
- bogota
- Bangladesh
- Basin
- Bean
- Boy
- bay
- Bhramputra
- Bourne
- Bodensee
- Bengali
- Bill
- bengal river
- Boise river
- bog
- Bahamas
- Buffalo River
- berlin
- Barrow
- bosnia
- brook
- bug
- Banas River
- ball
- Baby
- Bhagirathi
- Advertisement
- Banksy
- Brandywine
- Brisbane River
- ben
- Benue
- Buna
- bangladesh river
- Babylon river
- boardman
- Brigach
- baltic
- Bore
- Bass River
- Bell
- Babuna
- Banana river
- Bosphorus
- baron
- butt
- bad river
- blood
- bad
- Blackwater
- Bruce
- Bison
- Best
- Bee
- bongo
- Bay of Bengal
- Bason
- Brda
- Betwa
- bojana
- Barwon
- Bond
- Ban
- Bude
- Back River
- brooklyn
- Bann
The words in the list River with B come from players of the word game Categories game.