River with B
- Brahmaputra
- black river
- Black
- Bosna
- Beas
- Bog River
- Brown
- Boise
- Boston river
- Blue Nile
- Blue river
- Bengal
- Bhramaputra
- Brazos
- bean river
- brown river
- Boardman River
- Boyne
- bear creek
- Bear river
- bravo
- Baltimore River
- Brent
- Bramhaputra
- Baltimore
- Big Vermillion
- Back creek
- Beach
- Brooklyn river
- Bode
- Belize
- Bile
- banas
- bogota
- Bronx
- Bhramputra
- Bass
- Bangladesh
- Basin
- Boy
- Bean
- bay
- Bill
- Boise river
- bengal river
- Bourne
- Bay of bengal
- Bodensee
- ball
- Bengali
- Bahamas
- Baby
- bosnia
- Bhagirathi
- brook
- berlin
- Brandywine
- bog
- bug
- Barrow
- Banksy
- Buffalo River
- Banas River
- Blackwater
- Benue
- boardman
- Buna
- Bass River
- Bore
- baltic
- Bell
- ben
- Brisbane River
- Babylon river
- bangladesh river
- Brigach
- bad
- butt
- bad river
- Babuna
- baron
- blood
- Banana river
- Bosphorus
- Buriganga
- brooklyn
- Bee
- Best
- Bison
- Ban
- Bat
- Betwa
- Bason
- Bann
- boobs
- bishop river
- Bhutan
- Bude
- Bow river
- beni
De woorden op de lijst River with B zijn afkomstig van spelers van het woordspel Stadt, Land, Rivier.